Home / 926,938.60-1,390,407.90-365,900.20

Finding the Fourth Proportional to 926,938.60, 1,390,407.90 and 365,900.20

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Solution

The fourth proportional to 926,938.60, 1,390,407.90 and 365,900.20 is: 548,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,938.60 : 1,390,407.90 = 365,900.20 : x
  2. Step 2: Convert to fraction form
    926,938.60/1,390,407.90 = 365,900.20/x
  3. Step 3: Cross multiply
    926,938.60x = 1,390,407.90 × 365,900.20
  4. Step 4: Simplify right side
    926,938.60x = 508,750,528,691.58
  5. Step 5: Solve for x
    x = 508,750,528,691.58/926,938.60
  6. Step 6: Final answer
    x = 548,850.30

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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.