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Finding the Fourth Proportional to 659,303.65, 993,896.98 and 615,360.88

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Solution

The fourth proportional to 659,303.65, 993,896.98 and 615,360.88 is: 927,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,303.65 : 993,896.98 = 615,360.88 : x
  2. Step 2: Convert to fraction form
    659,303.65/993,896.98 = 615,360.88/x
  3. Step 3: Cross multiply
    659,303.65x = 993,896.98 × 615,360.88
  4. Step 4: Simplify right side
    659,303.65x = 611,605,320,242.14
  5. Step 5: Solve for x
    x = 611,605,320,242.14/659,303.65
  6. Step 6: Final answer
    x = 927,653.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.