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Finding the Fourth Proportional to 615,064.70, 922,597.05 and 335,128.70

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Solution

The fourth proportional to 615,064.70, 922,597.05 and 335,128.70 is: 502,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,064.70 : 922,597.05 = 335,128.70 : x
  2. Step 2: Convert to fraction form
    615,064.70/922,597.05 = 335,128.70/x
  3. Step 3: Cross multiply
    615,064.70x = 922,597.05 × 335,128.70
  4. Step 4: Simplify right side
    615,064.70x = 309,188,749,990.34
  5. Step 5: Solve for x
    x = 309,188,749,990.34/615,064.70
  6. Step 6: Final answer
    x = 502,693.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.