Home / 785,748.93-1,084,341.11-446,219.61

Finding the Fourth Proportional to 785,748.93, 1,084,341.11 and 446,219.61

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Solution

The fourth proportional to 785,748.93, 1,084,341.11 and 446,219.61 is: 615,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,748.93 : 1,084,341.11 = 446,219.61 : x
  2. Step 2: Convert to fraction form
    785,748.93/1,084,341.11 = 446,219.61/x
  3. Step 3: Cross multiply
    785,748.93x = 1,084,341.11 × 446,219.61
  4. Step 4: Simplify right side
    785,748.93x = 483,854,267,211.17
  5. Step 5: Solve for x
    x = 483,854,267,211.17/785,748.93
  6. Step 6: Final answer
    x = 615,787.37

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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.