Home / 756,296.02-1,134,439.95-436,240.45

Finding the Fourth Proportional to 756,296.02, 1,134,439.95 and 436,240.45

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Solution

The fourth proportional to 756,296.02, 1,134,439.95 and 436,240.45 is: 654,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,296.02 : 1,134,439.95 = 436,240.45 : x
  2. Step 2: Convert to fraction form
    756,296.02/1,134,439.95 = 436,240.45/x
  3. Step 3: Cross multiply
    756,296.02x = 1,134,439.95 × 436,240.45
  4. Step 4: Simplify right side
    756,296.02x = 494,888,588,613.78
  5. Step 5: Solve for x
    x = 494,888,588,613.78/756,296.02
  6. Step 6: Final answer
    x = 654,358.32

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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.