Home / 770,527.20-1,154,235.60-437,714.40

Finding the Fourth Proportional to 770,527.20, 1,154,235.60 and 437,714.40

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Solution

The fourth proportional to 770,527.20, 1,154,235.60 and 437,714.40 is: 655,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,527.20 : 1,154,235.60 = 437,714.40 : x
  2. Step 2: Convert to fraction form
    770,527.20/1,154,235.60 = 437,714.40/x
  3. Step 3: Cross multiply
    770,527.20x = 1,154,235.60 × 437,714.40
  4. Step 4: Simplify right side
    770,527.20x = 505,225,543,112.64
  5. Step 5: Solve for x
    x = 505,225,543,112.64/770,527.20
  6. Step 6: Final answer
    x = 655,688.14

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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.