Home / 646,977.60-970,646.42-282,271.10

Finding the Fourth Proportional to 646,977.60, 970,646.42 and 282,271.10

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Solution

The fourth proportional to 646,977.60, 970,646.42 and 282,271.10 is: 423,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,977.60 : 970,646.42 = 282,271.10 : x
  2. Step 2: Convert to fraction form
    646,977.60/970,646.42 = 282,271.10/x
  3. Step 3: Cross multiply
    646,977.60x = 970,646.42 × 282,271.10
  4. Step 4: Simplify right side
    646,977.60x = 273,985,428,536.91
  5. Step 5: Solve for x
    x = 273,985,428,536.91/646,977.60
  6. Step 6: Final answer
    x = 423,485.18

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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.