Home / 712,780.13-1,069,329.76-239,452.58

Finding the Fourth Proportional to 712,780.13, 1,069,329.76 and 239,452.58

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Solution

The fourth proportional to 712,780.13, 1,069,329.76 and 239,452.58 is: 359,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,780.13 : 1,069,329.76 = 239,452.58 : x
  2. Step 2: Convert to fraction form
    712,780.13/1,069,329.76 = 239,452.58/x
  3. Step 3: Cross multiply
    712,780.13x = 1,069,329.76 × 239,452.58
  4. Step 4: Simplify right side
    712,780.13x = 256,053,771,977.47
  5. Step 5: Solve for x
    x = 256,053,771,977.47/712,780.13
  6. Step 6: Final answer
    x = 359,232.48

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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.