Home / 727,423.60-1,091,329.80-649,080.40

Finding the Fourth Proportional to 727,423.60, 1,091,329.80 and 649,080.40

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Solution

The fourth proportional to 727,423.60, 1,091,329.80 and 649,080.40 is: 973,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,423.60 : 1,091,329.80 = 649,080.40 : x
  2. Step 2: Convert to fraction form
    727,423.60/1,091,329.80 = 649,080.40/x
  3. Step 3: Cross multiply
    727,423.60x = 1,091,329.80 × 649,080.40
  4. Step 4: Simplify right side
    727,423.60x = 708,360,783,115.92
  5. Step 5: Solve for x
    x = 708,360,783,115.92/727,423.60
  6. Step 6: Final answer
    x = 973,794.06

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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.