Home / 763,925.60-1,145,132.40-337,692.80

Finding the Fourth Proportional to 763,925.60, 1,145,132.40 and 337,692.80

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Solution

The fourth proportional to 763,925.60, 1,145,132.40 and 337,692.80 is: 506,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,925.60 : 1,145,132.40 = 337,692.80 : x
  2. Step 2: Convert to fraction form
    763,925.60/1,145,132.40 = 337,692.80/x
  3. Step 3: Cross multiply
    763,925.60x = 1,145,132.40 × 337,692.80
  4. Step 4: Simplify right side
    763,925.60x = 386,702,966,526.72
  5. Step 5: Solve for x
    x = 386,702,966,526.72/763,925.60
  6. Step 6: Final answer
    x = 506,205.01

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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.