Home / 860,424.69-1,187,387.05-478,443.27

Finding the Fourth Proportional to 860,424.69, 1,187,387.05 and 478,443.27

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Solution

The fourth proportional to 860,424.69, 1,187,387.05 and 478,443.27 is: 660,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,424.69 : 1,187,387.05 = 478,443.27 : x
  2. Step 2: Convert to fraction form
    860,424.69/1,187,387.05 = 478,443.27/x
  3. Step 3: Cross multiply
    860,424.69x = 1,187,387.05 × 478,443.27
  4. Step 4: Simplify right side
    860,424.69x = 568,097,342,957.65
  5. Step 5: Solve for x
    x = 568,097,342,957.65/860,424.69
  6. Step 6: Final answer
    x = 660,252.26

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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.