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Finding the Fourth Proportional to 486,521.03, 729,781.55 and 249,712.67

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Solution

The fourth proportional to 486,521.03, 729,781.55 and 249,712.67 is: 374,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,521.03 : 729,781.55 = 249,712.67 : x
  2. Step 2: Convert to fraction form
    486,521.03/729,781.55 = 249,712.67/x
  3. Step 3: Cross multiply
    486,521.03x = 729,781.55 × 249,712.67
  4. Step 4: Simplify right side
    486,521.03x = 182,235,700,879.55
  5. Step 5: Solve for x
    x = 182,235,700,879.55/486,521.03
  6. Step 6: Final answer
    x = 374,569.01

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Similar ratio
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1.5x scale

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.