Home / 498,526.03-747,526.57-340,799.59

Finding the Fourth Proportional to 498,526.03, 747,526.57 and 340,799.59

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Solution

The fourth proportional to 498,526.03, 747,526.57 and 340,799.59 is: 511,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,526.03 : 747,526.57 = 340,799.59 : x
  2. Step 2: Convert to fraction form
    498,526.03/747,526.57 = 340,799.59/x
  3. Step 3: Cross multiply
    498,526.03x = 747,526.57 × 340,799.59
  4. Step 4: Simplify right side
    498,526.03x = 254,756,748,570.11
  5. Step 5: Solve for x
    x = 254,756,748,570.11/498,526.03
  6. Step 6: Final answer
    x = 511,019.95

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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.