Home / 648,477.76-972,679.92-175,127.44

Finding the Fourth Proportional to 648,477.76, 972,679.92 and 175,127.44

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Solution

The fourth proportional to 648,477.76, 972,679.92 and 175,127.44 is: 262,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,477.76 : 972,679.92 = 175,127.44 : x
  2. Step 2: Convert to fraction form
    648,477.76/972,679.92 = 175,127.44/x
  3. Step 3: Cross multiply
    648,477.76x = 972,679.92 × 175,127.44
  4. Step 4: Simplify right side
    648,477.76x = 170,342,944,329.01
  5. Step 5: Solve for x
    x = 170,342,944,329.01/648,477.76
  6. Step 6: Final answer
    x = 262,681.24

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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.