Home / 383,430.13-571,407.57-371,886.41

Finding the Fourth Proportional to 383,430.13, 571,407.57 and 371,886.41

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Solution

The fourth proportional to 383,430.13, 571,407.57 and 371,886.41 is: 554,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,430.13 : 571,407.57 = 371,886.41 : x
  2. Step 2: Convert to fraction form
    383,430.13/571,407.57 = 371,886.41/x
  3. Step 3: Cross multiply
    383,430.13x = 571,407.57 × 371,886.41
  4. Step 4: Simplify right side
    383,430.13x = 212,498,711,282.64
  5. Step 5: Solve for x
    x = 212,498,711,282.64/383,430.13
  6. Step 6: Final answer
    x = 554,204.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.