Home / 679,531.07-937,733.05-373,607.13

Finding the Fourth Proportional to 679,531.07, 937,733.05 and 373,607.13

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Solution

The fourth proportional to 679,531.07, 937,733.05 and 373,607.13 is: 515,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,531.07 : 937,733.05 = 373,607.13 : x
  2. Step 2: Convert to fraction form
    679,531.07/937,733.05 = 373,607.13/x
  3. Step 3: Cross multiply
    679,531.07x = 937,733.05 × 373,607.13
  4. Step 4: Simplify right side
    679,531.07x = 350,343,757,500.15
  5. Step 5: Solve for x
    x = 350,343,757,500.15/679,531.07
  6. Step 6: Final answer
    x = 515,566.94

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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.