Home / 913,462.61-1,370,325.20-282,425.63

Finding the Fourth Proportional to 913,462.61, 1,370,325.20 and 282,425.63

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Solution

The fourth proportional to 913,462.61, 1,370,325.20 and 282,425.63 is: 423,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,462.61 : 1,370,325.20 = 282,425.63 : x
  2. Step 2: Convert to fraction form
    913,462.61/1,370,325.20 = 282,425.63/x
  3. Step 3: Cross multiply
    913,462.61x = 1,370,325.20 × 282,425.63
  4. Step 4: Simplify right side
    913,462.61x = 387,014,949,651.12
  5. Step 5: Solve for x
    x = 387,014,949,651.12/913,462.61
  6. Step 6: Final answer
    x = 423,679.03

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Double scale
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1.5x scale

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.