Home / 671,358.72-1,007,038.08-460,356.48

Finding the Fourth Proportional to 671,358.72, 1,007,038.08 and 460,356.48

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Solution

The fourth proportional to 671,358.72, 1,007,038.08 and 460,356.48 is: 690,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,358.72 : 1,007,038.08 = 460,356.48 : x
  2. Step 2: Convert to fraction form
    671,358.72/1,007,038.08 = 460,356.48/x
  3. Step 3: Cross multiply
    671,358.72x = 1,007,038.08 × 460,356.48
  4. Step 4: Simplify right side
    671,358.72x = 463,596,505,734.76
  5. Step 5: Solve for x
    x = 463,596,505,734.76/671,358.72
  6. Step 6: Final answer
    x = 690,534.72

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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.