Home / 903,387.74-1,246,666.55-495,481.25

Finding the Fourth Proportional to 903,387.74, 1,246,666.55 and 495,481.25

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Solution

The fourth proportional to 903,387.74, 1,246,666.55 and 495,481.25 is: 683,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,387.74 : 1,246,666.55 = 495,481.25 : x
  2. Step 2: Convert to fraction form
    903,387.74/1,246,666.55 = 495,481.25/x
  3. Step 3: Cross multiply
    903,387.74x = 1,246,666.55 × 495,481.25
  4. Step 4: Simplify right side
    903,387.74x = 617,699,901,166.45
  5. Step 5: Solve for x
    x = 617,699,901,166.45/903,387.74
  6. Step 6: Final answer
    x = 683,759.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.