Home / 813,462.31-1,121,995.07-537,500.53

Finding the Fourth Proportional to 813,462.31, 1,121,995.07 and 537,500.53

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Solution

The fourth proportional to 813,462.31, 1,121,995.07 and 537,500.53 is: 741,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,462.31 : 1,121,995.07 = 537,500.53 : x
  2. Step 2: Convert to fraction form
    813,462.31/1,121,995.07 = 537,500.53/x
  3. Step 3: Cross multiply
    813,462.31x = 1,121,995.07 × 537,500.53
  4. Step 4: Simplify right side
    813,462.31x = 603,072,939,172.41
  5. Step 5: Solve for x
    x = 603,072,939,172.41/813,462.31
  6. Step 6: Final answer
    x = 741,365.56

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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.