Home / 780,614.42-1,170,124.02-442,941.74

Finding the Fourth Proportional to 780,614.42, 1,170,124.02 and 442,941.74

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Solution

The fourth proportional to 780,614.42, 1,170,124.02 and 442,941.74 is: 663,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,614.42 : 1,170,124.02 = 442,941.74 : x
  2. Step 2: Convert to fraction form
    780,614.42/1,170,124.02 = 442,941.74/x
  3. Step 3: Cross multiply
    780,614.42x = 1,170,124.02 × 442,941.74
  4. Step 4: Simplify right side
    780,614.42x = 518,296,769,434.60
  5. Step 5: Solve for x
    x = 518,296,769,434.60/780,614.42
  6. Step 6: Final answer
    x = 663,960.02

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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.