Home / 985,972.31-1,360,641.89-533,263.31

Finding the Fourth Proportional to 985,972.31, 1,360,641.89 and 533,263.31

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Solution

The fourth proportional to 985,972.31, 1,360,641.89 and 533,263.31 is: 735,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,972.31 : 1,360,641.89 = 533,263.31 : x
  2. Step 2: Convert to fraction form
    985,972.31/1,360,641.89 = 533,263.31/x
  3. Step 3: Cross multiply
    985,972.31x = 1,360,641.89 × 533,263.31
  4. Step 4: Simplify right side
    985,972.31x = 725,580,402,720.82
  5. Step 5: Solve for x
    x = 725,580,402,720.82/985,972.31
  6. Step 6: Final answer
    x = 735,903.43

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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.