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Finding the Fourth Proportional to 654,798.95, 903,615.98 and 364,405.65

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Solution

The fourth proportional to 654,798.95, 903,615.98 and 364,405.65 is: 502,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,798.95 : 903,615.98 = 364,405.65 : x
  2. Step 2: Convert to fraction form
    654,798.95/903,615.98 = 364,405.65/x
  3. Step 3: Cross multiply
    654,798.95x = 903,615.98 × 364,405.65
  4. Step 4: Simplify right side
    654,798.95x = 329,282,762,202.18
  5. Step 5: Solve for x
    x = 329,282,762,202.18/654,798.95
  6. Step 6: Final answer
    x = 502,876.13

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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.