Home / 838,061.32-1,156,550.73-475,500.46

Finding the Fourth Proportional to 838,061.32, 1,156,550.73 and 475,500.46

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Solution

The fourth proportional to 838,061.32, 1,156,550.73 and 475,500.46 is: 656,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,061.32 : 1,156,550.73 = 475,500.46 : x
  2. Step 2: Convert to fraction form
    838,061.32/1,156,550.73 = 475,500.46/x
  3. Step 3: Cross multiply
    838,061.32x = 1,156,550.73 × 475,500.46
  4. Step 4: Simplify right side
    838,061.32x = 549,940,404,128.34
  5. Step 5: Solve for x
    x = 549,940,404,128.34/838,061.32
  6. Step 6: Final answer
    x = 656,205.45

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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.