Home / 522,523.24-721,148.77-307,683.29

Finding the Fourth Proportional to 522,523.24, 721,148.77 and 307,683.29

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Solution

The fourth proportional to 522,523.24, 721,148.77 and 307,683.29 is: 424,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,523.24 : 721,148.77 = 307,683.29 : x
  2. Step 2: Convert to fraction form
    522,523.24/721,148.77 = 307,683.29/x
  3. Step 3: Cross multiply
    522,523.24x = 721,148.77 × 307,683.29
  4. Step 4: Simplify right side
    522,523.24x = 221,885,428,320.53
  5. Step 5: Solve for x
    x = 221,885,428,320.53/522,523.24
  6. Step 6: Final answer
    x = 424,642.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.