Home / 926,726.16-1,390,203.72-327,563.76

Finding the Fourth Proportional to 926,726.16, 1,390,203.72 and 327,563.76

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Solution

The fourth proportional to 926,726.16, 1,390,203.72 and 327,563.76 is: 491,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,726.16 : 1,390,203.72 = 327,563.76 : x
  2. Step 2: Convert to fraction form
    926,726.16/1,390,203.72 = 327,563.76/x
  3. Step 3: Cross multiply
    926,726.16x = 1,390,203.72 × 327,563.76
  4. Step 4: Simplify right side
    926,726.16x = 455,380,357,689.19
  5. Step 5: Solve for x
    x = 455,380,357,689.19/926,726.16
  6. Step 6: Final answer
    x = 491,386.10

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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.