Home / 838,028.55-1,156,505.63-475,467.69

Finding the Fourth Proportional to 838,028.55, 1,156,505.63 and 475,467.69

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Solution

The fourth proportional to 838,028.55, 1,156,505.63 and 475,467.69 is: 656,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,028.55 : 1,156,505.63 = 475,467.69 : x
  2. Step 2: Convert to fraction form
    838,028.55/1,156,505.63 = 475,467.69/x
  3. Step 3: Cross multiply
    838,028.55x = 1,156,505.63 × 475,467.69
  4. Step 4: Simplify right side
    838,028.55x = 549,881,057,990.76
  5. Step 5: Solve for x
    x = 549,881,057,990.76/838,028.55
  6. Step 6: Final answer
    x = 656,160.29

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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.