Home / 762,880.20-1,143,008.10-496,503.60

Finding the Fourth Proportional to 762,880.20, 1,143,008.10 and 496,503.60

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Solution

The fourth proportional to 762,880.20, 1,143,008.10 and 496,503.60 is: 743,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,880.20 : 1,143,008.10 = 496,503.60 : x
  2. Step 2: Convert to fraction form
    762,880.20/1,143,008.10 = 496,503.60/x
  3. Step 3: Cross multiply
    762,880.20x = 1,143,008.10 × 496,503.60
  4. Step 4: Simplify right side
    762,880.20x = 567,507,636,479.16
  5. Step 5: Solve for x
    x = 567,507,636,479.16/762,880.20
  6. Step 6: Final answer
    x = 743,901.38

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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.