Home / 928,008.60-1,392,011.80-254,095.08

Finding the Fourth Proportional to 928,008.60, 1,392,011.80 and 254,095.08

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Solution

The fourth proportional to 928,008.60, 1,392,011.80 and 254,095.08 is: 381,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,008.60 : 1,392,011.80 = 254,095.08 : x
  2. Step 2: Convert to fraction form
    928,008.60/1,392,011.80 = 254,095.08/x
  3. Step 3: Cross multiply
    928,008.60x = 1,392,011.80 × 254,095.08
  4. Step 4: Simplify right side
    928,008.60x = 353,703,349,681.94
  5. Step 5: Solve for x
    x = 353,703,349,681.94/928,008.60
  6. Step 6: Final answer
    x = 381,142.32

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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.