Home / 709,727.70-976,938.24-618,923.46

Finding the Fourth Proportional to 709,727.70, 976,938.24 and 618,923.46

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Solution

The fourth proportional to 709,727.70, 976,938.24 and 618,923.46 is: 851,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,727.70 : 976,938.24 = 618,923.46 : x
  2. Step 2: Convert to fraction form
    709,727.70/976,938.24 = 618,923.46/x
  3. Step 3: Cross multiply
    709,727.70x = 976,938.24 × 618,923.46
  4. Step 4: Simplify right side
    709,727.70x = 604,649,995,707.11
  5. Step 5: Solve for x
    x = 604,649,995,707.11/709,727.70
  6. Step 6: Final answer
    x = 851,946.45

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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.