Home / 718,537.20-1,077,805.80-637,666.80

Finding the Fourth Proportional to 718,537.20, 1,077,805.80 and 637,666.80

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Solution

The fourth proportional to 718,537.20, 1,077,805.80 and 637,666.80 is: 956,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,537.20 : 1,077,805.80 = 637,666.80 : x
  2. Step 2: Convert to fraction form
    718,537.20/1,077,805.80 = 637,666.80/x
  3. Step 3: Cross multiply
    718,537.20x = 1,077,805.80 × 637,666.80
  4. Step 4: Simplify right side
    718,537.20x = 687,280,975,507.44
  5. Step 5: Solve for x
    x = 687,280,975,507.44/718,537.20
  6. Step 6: Final answer
    x = 956,500.20

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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.