Home / 753,058.90-1,129,588.35-648,082.90

Finding the Fourth Proportional to 753,058.90, 1,129,588.35 and 648,082.90

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Solution

The fourth proportional to 753,058.90, 1,129,588.35 and 648,082.90 is: 972,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,058.90 : 1,129,588.35 = 648,082.90 : x
  2. Step 2: Convert to fraction form
    753,058.90/1,129,588.35 = 648,082.90/x
  3. Step 3: Cross multiply
    753,058.90x = 1,129,588.35 × 648,082.90
  4. Step 4: Simplify right side
    753,058.90x = 732,066,893,674.22
  5. Step 5: Solve for x
    x = 732,066,893,674.22/753,058.90
  6. Step 6: Final answer
    x = 972,124.35

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Double scale
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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.