Home / 887,901.31-1,225,273.93-561,390.07

Finding the Fourth Proportional to 887,901.31, 1,225,273.93 and 561,390.07

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Solution

The fourth proportional to 887,901.31, 1,225,273.93 and 561,390.07 is: 774,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,901.31 : 1,225,273.93 = 561,390.07 : x
  2. Step 2: Convert to fraction form
    887,901.31/1,225,273.93 = 561,390.07/x
  3. Step 3: Cross multiply
    887,901.31x = 1,225,273.93 × 561,390.07
  4. Step 4: Simplify right side
    887,901.31x = 687,856,610,927.04
  5. Step 5: Solve for x
    x = 687,856,610,927.04/887,901.31
  6. Step 6: Final answer
    x = 774,699.40

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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.