Home / 758,007.70-1,045,931.46-435,655.55

Finding the Fourth Proportional to 758,007.70, 1,045,931.46 and 435,655.55

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Solution

The fourth proportional to 758,007.70, 1,045,931.46 and 435,655.55 is: 601,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,007.70 : 1,045,931.46 = 435,655.55 : x
  2. Step 2: Convert to fraction form
    758,007.70/1,045,931.46 = 435,655.55/x
  3. Step 3: Cross multiply
    758,007.70x = 1,045,931.46 × 435,655.55
  4. Step 4: Simplify right side
    758,007.70x = 455,665,845,468.60
  5. Step 5: Solve for x
    x = 455,665,845,468.60/758,007.70
  6. Step 6: Final answer
    x = 601,136.17

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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.