Home / 690,058.07-952,213.34-508,867.55

Finding the Fourth Proportional to 690,058.07, 952,213.34 and 508,867.55

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Solution

The fourth proportional to 690,058.07, 952,213.34 and 508,867.55 is: 702,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,058.07 : 952,213.34 = 508,867.55 : x
  2. Step 2: Convert to fraction form
    690,058.07/952,213.34 = 508,867.55/x
  3. Step 3: Cross multiply
    690,058.07x = 952,213.34 × 508,867.55
  4. Step 4: Simplify right side
    690,058.07x = 484,550,462,097.71
  5. Step 5: Solve for x
    x = 484,550,462,097.71/690,058.07
  6. Step 6: Final answer
    x = 702,187.96

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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.