Home / 815,805.02-1,223,581.17-416,740.70

Finding the Fourth Proportional to 815,805.02, 1,223,581.17 and 416,740.70

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Solution

The fourth proportional to 815,805.02, 1,223,581.17 and 416,740.70 is: 625,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,805.02 : 1,223,581.17 = 416,740.70 : x
  2. Step 2: Convert to fraction form
    815,805.02/1,223,581.17 = 416,740.70/x
  3. Step 3: Cross multiply
    815,805.02x = 1,223,581.17 × 416,740.70
  4. Step 4: Simplify right side
    815,805.02x = 509,916,077,914.35
  5. Step 5: Solve for x
    x = 509,916,077,914.35/815,805.02
  6. Step 6: Final answer
    x = 625,046.50

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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.