Home / 679,818.02-938,171.74-373,907.29

Finding the Fourth Proportional to 679,818.02, 938,171.74 and 373,907.29

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Solution

The fourth proportional to 679,818.02, 938,171.74 and 373,907.29 is: 516,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,818.02 : 938,171.74 = 373,907.29 : x
  2. Step 2: Convert to fraction form
    679,818.02/938,171.74 = 373,907.29/x
  3. Step 3: Cross multiply
    679,818.02x = 938,171.74 × 373,907.29
  4. Step 4: Simplify right side
    679,818.02x = 350,789,253,089.55
  5. Step 5: Solve for x
    x = 350,789,253,089.55/679,818.02
  6. Step 6: Final answer
    x = 516,004.64

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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.