Home / 921,468.12-1,382,390.10-522,287.16

Finding the Fourth Proportional to 921,468.12, 1,382,390.10 and 522,287.16

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Solution

The fourth proportional to 921,468.12, 1,382,390.10 and 522,287.16 is: 783,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,468.12 : 1,382,390.10 = 522,287.16 : x
  2. Step 2: Convert to fraction form
    921,468.12/1,382,390.10 = 522,287.16/x
  3. Step 3: Cross multiply
    921,468.12x = 1,382,390.10 × 522,287.16
  4. Step 4: Simplify right side
    921,468.12x = 722,004,599,341.12
  5. Step 5: Solve for x
    x = 722,004,599,341.12/921,468.12
  6. Step 6: Final answer
    x = 783,537.25

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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.