Home / 907,281.66-1,252,038.83-499,374.78

Finding the Fourth Proportional to 907,281.66, 1,252,038.83 and 499,374.78

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Solution

The fourth proportional to 907,281.66, 1,252,038.83 and 499,374.78 is: 689,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,281.66 : 1,252,038.83 = 499,374.78 : x
  2. Step 2: Convert to fraction form
    907,281.66/1,252,038.83 = 499,374.78/x
  3. Step 3: Cross multiply
    907,281.66x = 1,252,038.83 × 499,374.78
  4. Step 4: Simplify right side
    907,281.66x = 625,236,615,282.71
  5. Step 5: Solve for x
    x = 625,236,615,282.71/907,281.66
  6. Step 6: Final answer
    x = 689,131.77

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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.