Home / 662,021.15-913,562.28-375,535.08

Finding the Fourth Proportional to 662,021.15, 913,562.28 and 375,535.08

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Solution

The fourth proportional to 662,021.15, 913,562.28 and 375,535.08 is: 518,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,021.15 : 913,562.28 = 375,535.08 : x
  2. Step 2: Convert to fraction form
    662,021.15/913,562.28 = 375,535.08/x
  3. Step 3: Cross multiply
    662,021.15x = 913,562.28 × 375,535.08
  4. Step 4: Simplify right side
    662,021.15x = 343,074,683,904.78
  5. Step 5: Solve for x
    x = 343,074,683,904.78/662,021.15
  6. Step 6: Final answer
    x = 518,223.15

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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.