Home / 774,815.09-1,069,455.98-502,867.18

Finding the Fourth Proportional to 774,815.09, 1,069,455.98 and 502,867.18

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Solution

The fourth proportional to 774,815.09, 1,069,455.98 and 502,867.18 is: 694,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,815.09 : 1,069,455.98 = 502,867.18 : x
  2. Step 2: Convert to fraction form
    774,815.09/1,069,455.98 = 502,867.18/x
  3. Step 3: Cross multiply
    774,815.09x = 1,069,455.98 × 502,867.18
  4. Step 4: Simplify right side
    774,815.09x = 537,794,304,935.12
  5. Step 5: Solve for x
    x = 537,794,304,935.12/774,815.09
  6. Step 6: Final answer
    x = 694,093.74

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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.