Home / 764,807.61-1,055,566.61-442,695.32

Finding the Fourth Proportional to 764,807.61, 1,055,566.61 and 442,695.32

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Solution

The fourth proportional to 764,807.61, 1,055,566.61 and 442,695.32 is: 610,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,807.61 : 1,055,566.61 = 442,695.32 : x
  2. Step 2: Convert to fraction form
    764,807.61/1,055,566.61 = 442,695.32/x
  3. Step 3: Cross multiply
    764,807.61x = 1,055,566.61 × 442,695.32
  4. Step 4: Simplify right side
    764,807.61x = 467,294,390,703.96
  5. Step 5: Solve for x
    x = 467,294,390,703.96/764,807.61
  6. Step 6: Final answer
    x = 610,996.00

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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.