Home / 838,244.30-1,257,492.20-389,011.26

Finding the Fourth Proportional to 838,244.30, 1,257,492.20 and 389,011.26

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Solution

The fourth proportional to 838,244.30, 1,257,492.20 and 389,011.26 is: 583,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,244.30 : 1,257,492.20 = 389,011.26 : x
  2. Step 2: Convert to fraction form
    838,244.30/1,257,492.20 = 389,011.26/x
  3. Step 3: Cross multiply
    838,244.30x = 1,257,492.20 × 389,011.26
  4. Step 4: Simplify right side
    838,244.30x = 489,178,620,859.32
  5. Step 5: Solve for x
    x = 489,178,620,859.32/838,244.30
  6. Step 6: Final answer
    x = 583,575.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.