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Finding the Fourth Proportional to 615,448.32, 920,744.28 and 466,120.32

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Solution

The fourth proportional to 615,448.32, 920,744.28 and 466,120.32 is: 697,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,448.32 : 920,744.28 = 466,120.32 : x
  2. Step 2: Convert to fraction form
    615,448.32/920,744.28 = 466,120.32/x
  3. Step 3: Cross multiply
    615,448.32x = 920,744.28 × 466,120.32
  4. Step 4: Simplify right side
    615,448.32x = 429,177,618,431.77
  5. Step 5: Solve for x
    x = 429,177,618,431.77/615,448.32
  6. Step 6: Final answer
    x = 697,341.44

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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.