Home / 631,938.02-872,080.29-360,001.89

Finding the Fourth Proportional to 631,938.02, 872,080.29 and 360,001.89

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Solution

The fourth proportional to 631,938.02, 872,080.29 and 360,001.89 is: 496,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,938.02 : 872,080.29 = 360,001.89 : x
  2. Step 2: Convert to fraction form
    631,938.02/872,080.29 = 360,001.89/x
  3. Step 3: Cross multiply
    631,938.02x = 872,080.29 × 360,001.89
  4. Step 4: Simplify right side
    631,938.02x = 313,950,552,631.75
  5. Step 5: Solve for x
    x = 313,950,552,631.75/631,938.02
  6. Step 6: Final answer
    x = 496,805.93

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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.