Home / 926,278.60-1,389,417.90-365,240.20

Finding the Fourth Proportional to 926,278.60, 1,389,417.90 and 365,240.20

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Solution

The fourth proportional to 926,278.60, 1,389,417.90 and 365,240.20 is: 547,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,278.60 : 1,389,417.90 = 365,240.20 : x
  2. Step 2: Convert to fraction form
    926,278.60/1,389,417.90 = 365,240.20/x
  3. Step 3: Cross multiply
    926,278.60x = 1,389,417.90 × 365,240.20
  4. Step 4: Simplify right side
    926,278.60x = 507,471,271,679.58
  5. Step 5: Solve for x
    x = 507,471,271,679.58/926,278.60
  6. Step 6: Final answer
    x = 547,860.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.