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Finding the Fourth Proportional to 615,741.04, 849,737.06 and 343,799.74

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Solution

The fourth proportional to 615,741.04, 849,737.06 and 343,799.74 is: 474,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,741.04 : 849,737.06 = 343,799.74 : x
  2. Step 2: Convert to fraction form
    615,741.04/849,737.06 = 343,799.74/x
  3. Step 3: Cross multiply
    615,741.04x = 849,737.06 × 343,799.74
  4. Step 4: Simplify right side
    615,741.04x = 292,139,380,296.36
  5. Step 5: Solve for x
    x = 292,139,380,296.36/615,741.04
  6. Step 6: Final answer
    x = 474,451.70

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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.