Home / 859,740.56-1,290,607.20-461,159.84

Finding the Fourth Proportional to 859,740.56, 1,290,607.20 and 461,159.84

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Solution

The fourth proportional to 859,740.56, 1,290,607.20 and 461,159.84 is: 692,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,740.56 : 1,290,607.20 = 461,159.84 : x
  2. Step 2: Convert to fraction form
    859,740.56/1,290,607.20 = 461,159.84/x
  3. Step 3: Cross multiply
    859,740.56x = 1,290,607.20 × 461,159.84
  4. Step 4: Simplify right side
    859,740.56x = 595,176,209,854.85
  5. Step 5: Solve for x
    x = 595,176,209,854.85/859,740.56
  6. Step 6: Final answer
    x = 692,274.20

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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.