Home / 679,631.31-937,915.20-373,731.03

Finding the Fourth Proportional to 679,631.31, 937,915.20 and 373,731.03

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Solution

The fourth proportional to 679,631.31, 937,915.20 and 373,731.03 is: 515,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,631.31 : 937,915.20 = 373,731.03 : x
  2. Step 2: Convert to fraction form
    679,631.31/937,915.20 = 373,731.03/x
  3. Step 3: Cross multiply
    679,631.31x = 937,915.20 × 373,731.03
  4. Step 4: Simplify right side
    679,631.31x = 350,528,013,748.66
  5. Step 5: Solve for x
    x = 350,528,013,748.66/679,631.31
  6. Step 6: Final answer
    x = 515,762.01

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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.