Home / 750,456.39-1,035,630.25-406,292.41

Finding the Fourth Proportional to 750,456.39, 1,035,630.25 and 406,292.41

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Solution

The fourth proportional to 750,456.39, 1,035,630.25 and 406,292.41 is: 560,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,456.39 : 1,035,630.25 = 406,292.41 : x
  2. Step 2: Convert to fraction form
    750,456.39/1,035,630.25 = 406,292.41/x
  3. Step 3: Cross multiply
    750,456.39x = 1,035,630.25 × 406,292.41
  4. Step 4: Simplify right side
    750,456.39x = 420,768,710,141.40
  5. Step 5: Solve for x
    x = 420,768,710,141.40/750,456.39
  6. Step 6: Final answer
    x = 560,683.76

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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.