Home / 754,679.10-1,041,473.34-415,147.32

Finding the Fourth Proportional to 754,679.10, 1,041,473.34 and 415,147.32

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Solution

The fourth proportional to 754,679.10, 1,041,473.34 and 415,147.32 is: 572,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,679.10 : 1,041,473.34 = 415,147.32 : x
  2. Step 2: Convert to fraction form
    754,679.10/1,041,473.34 = 415,147.32/x
  3. Step 3: Cross multiply
    754,679.10x = 1,041,473.34 × 415,147.32
  4. Step 4: Simplify right side
    754,679.10x = 432,364,865,952.45
  5. Step 5: Solve for x
    x = 432,364,865,952.45/754,679.10
  6. Step 6: Final answer
    x = 572,912.20

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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.