Home / 907,641.16-1,252,534.46-499,734.68

Finding the Fourth Proportional to 907,641.16, 1,252,534.46 and 499,734.68

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Solution

The fourth proportional to 907,641.16, 1,252,534.46 and 499,734.68 is: 689,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,641.16 : 1,252,534.46 = 499,734.68 : x
  2. Step 2: Convert to fraction form
    907,641.16/1,252,534.46 = 499,734.68/x
  3. Step 3: Cross multiply
    907,641.16x = 1,252,534.46 × 499,734.68
  4. Step 4: Simplify right side
    907,641.16x = 625,934,907,557.07
  5. Step 5: Solve for x
    x = 625,934,907,557.07/907,641.16
  6. Step 6: Final answer
    x = 689,628.16

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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.