Home / 555,223.98-766,194.93-310,210.59

Finding the Fourth Proportional to 555,223.98, 766,194.93 and 310,210.59

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Solution

The fourth proportional to 555,223.98, 766,194.93 and 310,210.59 is: 428,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,223.98 : 766,194.93 = 310,210.59 : x
  2. Step 2: Convert to fraction form
    555,223.98/766,194.93 = 310,210.59/x
  3. Step 3: Cross multiply
    555,223.98x = 766,194.93 × 310,210.59
  4. Step 4: Simplify right side
    555,223.98x = 237,681,781,290.31
  5. Step 5: Solve for x
    x = 237,681,781,290.31/555,223.98
  6. Step 6: Final answer
    x = 428,082.70

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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.