Home / 710,062.28-1,065,622.36-521,011.16

Finding the Fourth Proportional to 710,062.28, 1,065,622.36 and 521,011.16

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Solution

The fourth proportional to 710,062.28, 1,065,622.36 and 521,011.16 is: 781,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,062.28 : 1,065,622.36 = 521,011.16 : x
  2. Step 2: Convert to fraction form
    710,062.28/1,065,622.36 = 521,011.16/x
  3. Step 3: Cross multiply
    710,062.28x = 1,065,622.36 × 521,011.16
  4. Step 4: Simplify right side
    710,062.28x = 555,201,141,905.54
  5. Step 5: Solve for x
    x = 555,201,141,905.54/710,062.28
  6. Step 6: Final answer
    x = 781,904.85

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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.