Home / 806,332.46-1,209,210.50-266,488.82

Finding the Fourth Proportional to 806,332.46, 1,209,210.50 and 266,488.82

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Solution

The fourth proportional to 806,332.46, 1,209,210.50 and 266,488.82 is: 399,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,332.46 : 1,209,210.50 = 266,488.82 : x
  2. Step 2: Convert to fraction form
    806,332.46/1,209,210.50 = 266,488.82/x
  3. Step 3: Cross multiply
    806,332.46x = 1,209,210.50 × 266,488.82
  4. Step 4: Simplify right side
    806,332.46x = 322,241,071,898.11
  5. Step 5: Solve for x
    x = 322,241,071,898.11/806,332.46
  6. Step 6: Final answer
    x = 399,637.98

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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.