Home / 785,124.10-1,178,074.95-448,423.30

Finding the Fourth Proportional to 785,124.10, 1,178,074.95 and 448,423.30

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Solution

The fourth proportional to 785,124.10, 1,178,074.95 and 448,423.30 is: 672,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,124.10 : 1,178,074.95 = 448,423.30 : x
  2. Step 2: Convert to fraction form
    785,124.10/1,178,074.95 = 448,423.30/x
  3. Step 3: Cross multiply
    785,124.10x = 1,178,074.95 × 448,423.30
  4. Step 4: Simplify right side
    785,124.10x = 528,276,256,726.34
  5. Step 5: Solve for x
    x = 528,276,256,726.34/785,124.10
  6. Step 6: Final answer
    x = 672,857.01

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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.