Home / 750,300.30-1,125,450.45-661,726.80

Finding the Fourth Proportional to 750,300.30, 1,125,450.45 and 661,726.80

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Solution

The fourth proportional to 750,300.30, 1,125,450.45 and 661,726.80 is: 992,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,300.30 : 1,125,450.45 = 661,726.80 : x
  2. Step 2: Convert to fraction form
    750,300.30/1,125,450.45 = 661,726.80/x
  3. Step 3: Cross multiply
    750,300.30x = 1,125,450.45 × 661,726.80
  4. Step 4: Simplify right side
    750,300.30x = 744,740,724,837.06
  5. Step 5: Solve for x
    x = 744,740,724,837.06/750,300.30
  6. Step 6: Final answer
    x = 992,590.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.