Home / 502,114.07-692,914.61-272,669.15

Finding the Fourth Proportional to 502,114.07, 692,914.61 and 272,669.15

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Solution

The fourth proportional to 502,114.07, 692,914.61 and 272,669.15 is: 376,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,114.07 : 692,914.61 = 272,669.15 : x
  2. Step 2: Convert to fraction form
    502,114.07/692,914.61 = 272,669.15/x
  3. Step 3: Cross multiply
    502,114.07x = 692,914.61 × 272,669.15
  4. Step 4: Simplify right side
    502,114.07x = 188,936,434,948.38
  5. Step 5: Solve for x
    x = 188,936,434,948.38/502,114.07
  6. Step 6: Final answer
    x = 376,281.90

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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.