Home / 926,937.60-1,390,406.40-365,899.20

Finding the Fourth Proportional to 926,937.60, 1,390,406.40 and 365,899.20

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Solution

The fourth proportional to 926,937.60, 1,390,406.40 and 365,899.20 is: 548,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,937.60 : 1,390,406.40 = 365,899.20 : x
  2. Step 2: Convert to fraction form
    926,937.60/1,390,406.40 = 365,899.20/x
  3. Step 3: Cross multiply
    926,937.60x = 1,390,406.40 × 365,899.20
  4. Step 4: Simplify right side
    926,937.60x = 508,748,589,434.88
  5. Step 5: Solve for x
    x = 508,748,589,434.88/926,937.60
  6. Step 6: Final answer
    x = 548,848.80

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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.