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Finding the Fourth Proportional to 615,377.01, 849,331.44 and 367,034.90

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Solution

The fourth proportional to 615,377.01, 849,331.44 and 367,034.90 is: 506,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,377.01 : 849,331.44 = 367,034.90 : x
  2. Step 2: Convert to fraction form
    615,377.01/849,331.44 = 367,034.90/x
  3. Step 3: Cross multiply
    615,377.01x = 849,331.44 × 367,034.90
  4. Step 4: Simplify right side
    615,377.01x = 311,734,275,900.60
  5. Step 5: Solve for x
    x = 311,734,275,900.60/615,377.01
  6. Step 6: Final answer
    x = 506,574.46

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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.