Home / 722,935.69-997,708.85-400,676.65

Finding the Fourth Proportional to 722,935.69, 997,708.85 and 400,676.65

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Solution

The fourth proportional to 722,935.69, 997,708.85 and 400,676.65 is: 552,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,935.69 : 997,708.85 = 400,676.65 : x
  2. Step 2: Convert to fraction form
    722,935.69/997,708.85 = 400,676.65/x
  3. Step 3: Cross multiply
    722,935.69x = 997,708.85 × 400,676.65
  4. Step 4: Simplify right side
    722,935.69x = 399,758,637,689.97
  5. Step 5: Solve for x
    x = 399,758,637,689.97/722,935.69
  6. Step 6: Final answer
    x = 552,965.70

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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.