Home / 901,492.95-1,244,021.76-493,587.39

Finding the Fourth Proportional to 901,492.95, 1,244,021.76 and 493,587.39

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Solution

The fourth proportional to 901,492.95, 1,244,021.76 and 493,587.39 is: 681,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,492.95 : 1,244,021.76 = 493,587.39 : x
  2. Step 2: Convert to fraction form
    901,492.95/1,244,021.76 = 493,587.39/x
  3. Step 3: Cross multiply
    901,492.95x = 1,244,021.76 × 493,587.39
  4. Step 4: Simplify right side
    901,492.95x = 614,033,453,621.61
  5. Step 5: Solve for x
    x = 614,033,453,621.61/901,492.95
  6. Step 6: Final answer
    x = 681,129.51

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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.