Home / 835,439.10-1,152,708.30-472,862.91

Finding the Fourth Proportional to 835,439.10, 1,152,708.30 and 472,862.91

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Solution

The fourth proportional to 835,439.10, 1,152,708.30 and 472,862.91 is: 652,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,439.10 : 1,152,708.30 = 472,862.91 : x
  2. Step 2: Convert to fraction form
    835,439.10/1,152,708.30 = 472,862.91/x
  3. Step 3: Cross multiply
    835,439.10x = 1,152,708.30 × 472,862.91
  4. Step 4: Simplify right side
    835,439.10x = 545,073,001,119.15
  5. Step 5: Solve for x
    x = 545,073,001,119.15/835,439.10
  6. Step 6: Final answer
    x = 652,438.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.