Home / 926,374.20-1,389,626.10-365,335.80

Finding the Fourth Proportional to 926,374.20, 1,389,626.10 and 365,335.80

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Solution

The fourth proportional to 926,374.20, 1,389,626.10 and 365,335.80 is: 548,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,374.20 : 1,389,626.10 = 365,335.80 : x
  2. Step 2: Convert to fraction form
    926,374.20/1,389,626.10 = 365,335.80/x
  3. Step 3: Cross multiply
    926,374.20x = 1,389,626.10 × 365,335.80
  4. Step 4: Simplify right side
    926,374.20x = 507,680,162,944.38
  5. Step 5: Solve for x
    x = 507,680,162,944.38/926,374.20
  6. Step 6: Final answer
    x = 548,029.26

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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.