Home / 749,104.20-1,123,802.10-216,642.60

Finding the Fourth Proportional to 749,104.20, 1,123,802.10 and 216,642.60

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Solution

The fourth proportional to 749,104.20, 1,123,802.10 and 216,642.60 is: 325,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,104.20 : 1,123,802.10 = 216,642.60 : x
  2. Step 2: Convert to fraction form
    749,104.20/1,123,802.10 = 216,642.60/x
  3. Step 3: Cross multiply
    749,104.20x = 1,123,802.10 × 216,642.60
  4. Step 4: Simplify right side
    749,104.20x = 243,463,408,829.46
  5. Step 5: Solve for x
    x = 243,463,408,829.46/749,104.20
  6. Step 6: Final answer
    x = 325,006.07

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1.5x scale

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.