Home / 696,340.28-1,044,805.76-380,428.13

Finding the Fourth Proportional to 696,340.28, 1,044,805.76 and 380,428.13

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Solution

The fourth proportional to 696,340.28, 1,044,805.76 and 380,428.13 is: 570,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,340.28 : 1,044,805.76 = 380,428.13 : x
  2. Step 2: Convert to fraction form
    696,340.28/1,044,805.76 = 380,428.13/x
  3. Step 3: Cross multiply
    696,340.28x = 1,044,805.76 × 380,428.13
  4. Step 4: Simplify right side
    696,340.28x = 397,473,501,490.03
  5. Step 5: Solve for x
    x = 397,473,501,490.03/696,340.28
  6. Step 6: Final answer
    x = 570,803.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.