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Finding the Fourth Proportional to 768,244.04, 1,060,184.82 and 428,705

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Solution

The fourth proportional to 768,244.04, 1,060,184.82 and 428,705 is: 591,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,244.04 : 1,060,184.82 = 428,705 : x
  2. Step 2: Convert to fraction form
    768,244.04/1,060,184.82 = 428,705/x
  3. Step 3: Cross multiply
    768,244.04x = 1,060,184.82 × 428,705
  4. Step 4: Simplify right side
    768,244.04x = 454,506,533,258.10
  5. Step 5: Solve for x
    x = 454,506,533,258.10/768,244.04
  6. Step 6: Final answer
    x = 591,617.39

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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.