Home / 648,024.80-972,037.20-611,283.20

Finding the Fourth Proportional to 648,024.80, 972,037.20 and 611,283.20

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Solution

The fourth proportional to 648,024.80, 972,037.20 and 611,283.20 is: 916,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,024.80 : 972,037.20 = 611,283.20 : x
  2. Step 2: Convert to fraction form
    648,024.80/972,037.20 = 611,283.20/x
  3. Step 3: Cross multiply
    648,024.80x = 972,037.20 × 611,283.20
  4. Step 4: Simplify right side
    648,024.80x = 594,190,010,135.04
  5. Step 5: Solve for x
    x = 594,190,010,135.04/648,024.80
  6. Step 6: Final answer
    x = 916,924.80

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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.