Home / 473,711.40-653,949.18-280,152.36

Finding the Fourth Proportional to 473,711.40, 653,949.18 and 280,152.36

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Solution

The fourth proportional to 473,711.40, 653,949.18 and 280,152.36 is: 386,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,711.40 : 653,949.18 = 280,152.36 : x
  2. Step 2: Convert to fraction form
    473,711.40/653,949.18 = 280,152.36/x
  3. Step 3: Cross multiply
    473,711.40x = 653,949.18 × 280,152.36
  4. Step 4: Simplify right side
    473,711.40x = 183,205,406,097.07
  5. Step 5: Solve for x
    x = 183,205,406,097.07/473,711.40
  6. Step 6: Final answer
    x = 386,744.77

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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.