Home / 813,153.27-1,122,167.76-473,643.39

Finding the Fourth Proportional to 813,153.27, 1,122,167.76 and 473,643.39

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Solution

The fourth proportional to 813,153.27, 1,122,167.76 and 473,643.39 is: 653,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,153.27 : 1,122,167.76 = 473,643.39 : x
  2. Step 2: Convert to fraction form
    813,153.27/1,122,167.76 = 473,643.39/x
  3. Step 3: Cross multiply
    813,153.27x = 1,122,167.76 × 473,643.39
  4. Step 4: Simplify right side
    813,153.27x = 531,507,341,995.11
  5. Step 5: Solve for x
    x = 531,507,341,995.11/813,153.27
  6. Step 6: Final answer
    x = 653,637.34

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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.