Home / 747,718.02-1,121,455.53-215,117.91

Finding the Fourth Proportional to 747,718.02, 1,121,455.53 and 215,117.91

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Solution

The fourth proportional to 747,718.02, 1,121,455.53 and 215,117.91 is: 322,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,718.02 : 1,121,455.53 = 215,117.91 : x
  2. Step 2: Convert to fraction form
    747,718.02/1,121,455.53 = 215,117.91/x
  3. Step 3: Cross multiply
    747,718.02x = 1,121,455.53 × 215,117.91
  4. Step 4: Simplify right side
    747,718.02x = 241,245,169,771.54
  5. Step 5: Solve for x
    x = 241,245,169,771.54/747,718.02
  6. Step 6: Final answer
    x = 322,641.91

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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.