Home / 1,008,929.04-1,513,480.80-289,273.92

Finding the Fourth Proportional to 1,008,929.04, 1,513,480.80 and 289,273.92

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Solution

The fourth proportional to 1,008,929.04, 1,513,480.80 and 289,273.92 is: 433,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,929.04 : 1,513,480.80 = 289,273.92 : x
  2. Step 2: Convert to fraction form
    1,008,929.04/1,513,480.80 = 289,273.92/x
  3. Step 3: Cross multiply
    1,008,929.04x = 1,513,480.80 × 289,273.92
  4. Step 4: Simplify right side
    1,008,929.04x = 437,810,523,860.74
  5. Step 5: Solve for x
    x = 437,810,523,860.74/1,008,929.04
  6. Step 6: Final answer
    x = 433,935.89

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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.