Home / 813,156.77-1,122,172.59-473,646.89

Finding the Fourth Proportional to 813,156.77, 1,122,172.59 and 473,646.89

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Solution

The fourth proportional to 813,156.77, 1,122,172.59 and 473,646.89 is: 653,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,156.77 : 1,122,172.59 = 473,646.89 : x
  2. Step 2: Convert to fraction form
    813,156.77/1,122,172.59 = 473,646.89/x
  3. Step 3: Cross multiply
    813,156.77x = 1,122,172.59 × 473,646.89
  4. Step 4: Simplify right side
    813,156.77x = 531,513,557,296.75
  5. Step 5: Solve for x
    x = 531,513,557,296.75/813,156.77
  6. Step 6: Final answer
    x = 653,642.17

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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.