Home / 871,373.16-1,307,060.76-272,337.47

Finding the Fourth Proportional to 871,373.16, 1,307,060.76 and 272,337.47

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Solution

The fourth proportional to 871,373.16, 1,307,060.76 and 272,337.47 is: 408,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,373.16 : 1,307,060.76 = 272,337.47 : x
  2. Step 2: Convert to fraction form
    871,373.16/1,307,060.76 = 272,337.47/x
  3. Step 3: Cross multiply
    871,373.16x = 1,307,060.76 × 272,337.47
  4. Step 4: Simplify right side
    871,373.16x = 355,961,613,979.37
  5. Step 5: Solve for x
    x = 355,961,613,979.37/871,373.16
  6. Step 6: Final answer
    x = 408,506.52

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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.