Home / 710,056.76-1,065,614.12-521,005.64

Finding the Fourth Proportional to 710,056.76, 1,065,614.12 and 521,005.64

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Solution

The fourth proportional to 710,056.76, 1,065,614.12 and 521,005.64 is: 781,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,056.76 : 1,065,614.12 = 521,005.64 : x
  2. Step 2: Convert to fraction form
    710,056.76/1,065,614.12 = 521,005.64/x
  3. Step 3: Cross multiply
    710,056.76x = 1,065,614.12 × 521,005.64
  4. Step 4: Simplify right side
    710,056.76x = 555,190,963,978.61
  5. Step 5: Solve for x
    x = 555,190,963,978.61/710,056.76
  6. Step 6: Final answer
    x = 781,896.60

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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.