Home / 913,454.16-1,370,082.80-239,603

Finding the Fourth Proportional to 913,454.16, 1,370,082.80 and 239,603

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Solution

The fourth proportional to 913,454.16, 1,370,082.80 and 239,603 is: 359,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,454.16 : 1,370,082.80 = 239,603 : x
  2. Step 2: Convert to fraction form
    913,454.16/1,370,082.80 = 239,603/x
  3. Step 3: Cross multiply
    913,454.16x = 1,370,082.80 × 239,603
  4. Step 4: Simplify right side
    913,454.16x = 328,275,949,128.40
  5. Step 5: Solve for x
    x = 328,275,949,128.40/913,454.16
  6. Step 6: Final answer
    x = 359,378.68

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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.