Home / 712,792.78-1,069,348.76-239,465.23

Finding the Fourth Proportional to 712,792.78, 1,069,348.76 and 239,465.23

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Solution

The fourth proportional to 712,792.78, 1,069,348.76 and 239,465.23 is: 359,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,792.78 : 1,069,348.76 = 239,465.23 : x
  2. Step 2: Convert to fraction form
    712,792.78/1,069,348.76 = 239,465.23/x
  3. Step 3: Cross multiply
    712,792.78x = 1,069,348.76 × 239,465.23
  4. Step 4: Simplify right side
    712,792.78x = 256,071,843,790.91
  5. Step 5: Solve for x
    x = 256,071,843,790.91/712,792.78
  6. Step 6: Final answer
    x = 359,251.46

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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.