Home / 724,801.92-1,000,192.80-402,532.80

Finding the Fourth Proportional to 724,801.92, 1,000,192.80 and 402,532.80

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Solution

The fourth proportional to 724,801.92, 1,000,192.80 and 402,532.80 is: 555,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,801.92 : 1,000,192.80 = 402,532.80 : x
  2. Step 2: Convert to fraction form
    724,801.92/1,000,192.80 = 402,532.80/x
  3. Step 3: Cross multiply
    724,801.92x = 1,000,192.80 × 402,532.80
  4. Step 4: Simplify right side
    724,801.92x = 402,610,408,323.84
  5. Step 5: Solve for x
    x = 402,610,408,323.84/724,801.92
  6. Step 6: Final answer
    x = 555,476.46

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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.