Home / 838,220.05-1,156,711.52-475,622.29

Finding the Fourth Proportional to 838,220.05, 1,156,711.52 and 475,622.29

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Solution

The fourth proportional to 838,220.05, 1,156,711.52 and 475,622.29 is: 656,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,220.05 : 1,156,711.52 = 475,622.29 : x
  2. Step 2: Convert to fraction form
    838,220.05/1,156,711.52 = 475,622.29/x
  3. Step 3: Cross multiply
    838,220.05x = 1,156,711.52 × 475,622.29
  4. Step 4: Simplify right side
    838,220.05x = 550,157,776,228.22
  5. Step 5: Solve for x
    x = 550,157,776,228.22/838,220.05
  6. Step 6: Final answer
    x = 656,340.51

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Double scale
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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.