Home / 631,045.02-870,877.41-344,591.70

Finding the Fourth Proportional to 631,045.02, 870,877.41 and 344,591.70

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Solution

The fourth proportional to 631,045.02, 870,877.41 and 344,591.70 is: 475,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,045.02 : 870,877.41 = 344,591.70 : x
  2. Step 2: Convert to fraction form
    631,045.02/870,877.41 = 344,591.70/x
  3. Step 3: Cross multiply
    631,045.02x = 870,877.41 × 344,591.70
  4. Step 4: Simplify right side
    631,045.02x = 300,097,127,203.50
  5. Step 5: Solve for x
    x = 300,097,127,203.50/631,045.02
  6. Step 6: Final answer
    x = 475,555.81

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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.