Home / 990,904.86-1,367,441.19-538,199.10

Finding the Fourth Proportional to 990,904.86, 1,367,441.19 and 538,199.10

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Solution

The fourth proportional to 990,904.86, 1,367,441.19 and 538,199.10 is: 742,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,904.86 : 1,367,441.19 = 538,199.10 : x
  2. Step 2: Convert to fraction form
    990,904.86/1,367,441.19 = 538,199.10/x
  3. Step 3: Cross multiply
    990,904.86x = 1,367,441.19 × 538,199.10
  4. Step 4: Simplify right side
    990,904.86x = 735,955,617,760.93
  5. Step 5: Solve for x
    x = 735,955,617,760.93/990,904.86
  6. Step 6: Final answer
    x = 742,710.68

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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.