Home / 838,483.95-1,157,212.46-476,025.15

Finding the Fourth Proportional to 838,483.95, 1,157,212.46 and 476,025.15

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Solution

The fourth proportional to 838,483.95, 1,157,212.46 and 476,025.15 is: 656,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,483.95 : 1,157,212.46 = 476,025.15 : x
  2. Step 2: Convert to fraction form
    838,483.95/1,157,212.46 = 476,025.15/x
  3. Step 3: Cross multiply
    838,483.95x = 1,157,212.46 × 476,025.15
  4. Step 4: Simplify right side
    838,483.95x = 550,862,232,473.24
  5. Step 5: Solve for x
    x = 550,862,232,473.24/838,483.95
  6. Step 6: Final answer
    x = 656,974.09

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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.