Home / 424,739.40-586,055.40-243,508.17

Finding the Fourth Proportional to 424,739.40, 586,055.40 and 243,508.17

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Solution

The fourth proportional to 424,739.40, 586,055.40 and 243,508.17 is: 335,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,739.40 : 586,055.40 = 243,508.17 : x
  2. Step 2: Convert to fraction form
    424,739.40/586,055.40 = 243,508.17/x
  3. Step 3: Cross multiply
    424,739.40x = 586,055.40 × 243,508.17
  4. Step 4: Simplify right side
    424,739.40x = 142,709,280,626.90
  5. Step 5: Solve for x
    x = 142,709,280,626.90/424,739.40
  6. Step 6: Final answer
    x = 335,992.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.