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Finding the Fourth Proportional to 514,652.22, 710,220.24 and 313,448.22

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Solution

The fourth proportional to 514,652.22, 710,220.24 and 313,448.22 is: 432,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,652.22 : 710,220.24 = 313,448.22 : x
  2. Step 2: Convert to fraction form
    514,652.22/710,220.24 = 313,448.22/x
  3. Step 3: Cross multiply
    514,652.22x = 710,220.24 × 313,448.22
  4. Step 4: Simplify right side
    514,652.22x = 222,617,270,035.97
  5. Step 5: Solve for x
    x = 222,617,270,035.97/514,652.22
  6. Step 6: Final answer
    x = 432,558.65

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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.