Home / 838,492.98-1,157,061.92-475,924.22

Finding the Fourth Proportional to 838,492.98, 1,157,061.92 and 475,924.22

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Solution

The fourth proportional to 838,492.98, 1,157,061.92 and 475,924.22 is: 656,742.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,492.98 : 1,157,061.92 = 475,924.22 : x
  2. Step 2: Convert to fraction form
    838,492.98/1,157,061.92 = 475,924.22/x
  3. Step 3: Cross multiply
    838,492.98x = 1,157,061.92 × 475,924.22
  4. Step 4: Simplify right side
    838,492.98x = 550,673,791,767.70
  5. Step 5: Solve for x
    x = 550,673,791,767.70/838,492.98
  6. Step 6: Final answer
    x = 656,742.28

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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.