Home / 486,931.50-730,167.35-284,585.63

Finding the Fourth Proportional to 486,931.50, 730,167.35 and 284,585.63

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Solution

The fourth proportional to 486,931.50, 730,167.35 and 284,585.63 is: 426,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,931.50 : 730,167.35 = 284,585.63 : x
  2. Step 2: Convert to fraction form
    486,931.50/730,167.35 = 284,585.63/x
  3. Step 3: Cross multiply
    486,931.50x = 730,167.35 × 284,585.63
  4. Step 4: Simplify right side
    486,931.50x = 207,795,130,231.42
  5. Step 5: Solve for x
    x = 207,795,130,231.42/486,931.50
  6. Step 6: Final answer
    x = 426,744.07

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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.