Home / 913,370.10-1,370,055.15-440,103.30

Finding the Fourth Proportional to 913,370.10, 1,370,055.15 and 440,103.30

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Solution

The fourth proportional to 913,370.10, 1,370,055.15 and 440,103.30 is: 660,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,370.10 : 1,370,055.15 = 440,103.30 : x
  2. Step 2: Convert to fraction form
    913,370.10/1,370,055.15 = 440,103.30/x
  3. Step 3: Cross multiply
    913,370.10x = 1,370,055.15 × 440,103.30
  4. Step 4: Simplify right side
    913,370.10x = 602,965,792,697.00
  5. Step 5: Solve for x
    x = 602,965,792,697.00/913,370.10
  6. Step 6: Final answer
    x = 660,154.95

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Double scale
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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.