Home / 748,072.64-1,032,074.40-442,084.16

Finding the Fourth Proportional to 748,072.64, 1,032,074.40 and 442,084.16

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Solution

The fourth proportional to 748,072.64, 1,032,074.40 and 442,084.16 is: 609,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,072.64 : 1,032,074.40 = 442,084.16 : x
  2. Step 2: Convert to fraction form
    748,072.64/1,032,074.40 = 442,084.16/x
  3. Step 3: Cross multiply
    748,072.64x = 1,032,074.40 × 442,084.16
  4. Step 4: Simplify right side
    748,072.64x = 456,263,744,181.50
  5. Step 5: Solve for x
    x = 456,263,744,181.50/748,072.64
  6. Step 6: Final answer
    x = 609,919.04

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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.