Home / 705,001.07-972,902.66-382,711.38

Finding the Fourth Proportional to 705,001.07, 972,902.66 and 382,711.38

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Solution

The fourth proportional to 705,001.07, 972,902.66 and 382,711.38 is: 528,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,001.07 : 972,902.66 = 382,711.38 : x
  2. Step 2: Convert to fraction form
    705,001.07/972,902.66 = 382,711.38/x
  3. Step 3: Cross multiply
    705,001.07x = 972,902.66 × 382,711.38
  4. Step 4: Simplify right side
    705,001.07x = 372,340,917,700.71
  5. Step 5: Solve for x
    x = 372,340,917,700.71/705,001.07
  6. Step 6: Final answer
    x = 528,142.35

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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.