Home / 747,302.40-1,120,188.15-367,639.20

Finding the Fourth Proportional to 747,302.40, 1,120,188.15 and 367,639.20

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Solution

The fourth proportional to 747,302.40, 1,120,188.15 and 367,639.20 is: 551,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,302.40 : 1,120,188.15 = 367,639.20 : x
  2. Step 2: Convert to fraction form
    747,302.40/1,120,188.15 = 367,639.20/x
  3. Step 3: Cross multiply
    747,302.40x = 1,120,188.15 × 367,639.20
  4. Step 4: Simplify right side
    747,302.40x = 411,825,075,315.48
  5. Step 5: Solve for x
    x = 411,825,075,315.48/747,302.40
  6. Step 6: Final answer
    x = 551,082.23

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Double scale
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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.