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Finding the Fourth Proportional to 677,530.16, 935,008.08 and 371,619.08

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Solution

The fourth proportional to 677,530.16, 935,008.08 and 371,619.08 is: 512,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,530.16 : 935,008.08 = 371,619.08 : x
  2. Step 2: Convert to fraction form
    677,530.16/935,008.08 = 371,619.08/x
  3. Step 3: Cross multiply
    677,530.16x = 935,008.08 × 371,619.08
  4. Step 4: Simplify right side
    677,530.16x = 347,466,842,482.17
  5. Step 5: Solve for x
    x = 347,466,842,482.17/677,530.16
  6. Step 6: Final answer
    x = 512,843.36

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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.