Home / 743,641.76-1,114,835.76-322,600.16

Finding the Fourth Proportional to 743,641.76, 1,114,835.76 and 322,600.16

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Solution

The fourth proportional to 743,641.76, 1,114,835.76 and 322,600.16 is: 483,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,641.76 : 1,114,835.76 = 322,600.16 : x
  2. Step 2: Convert to fraction form
    743,641.76/1,114,835.76 = 322,600.16/x
  3. Step 3: Cross multiply
    743,641.76x = 1,114,835.76 × 322,600.16
  4. Step 4: Simplify right side
    743,641.76x = 359,646,194,549.72
  5. Step 5: Solve for x
    x = 359,646,194,549.72/743,641.76
  6. Step 6: Final answer
    x = 483,628.29

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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.