Home / 808,750.98-1,116,096.57-498,721.86

Finding the Fourth Proportional to 808,750.98, 1,116,096.57 and 498,721.86

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Solution

The fourth proportional to 808,750.98, 1,116,096.57 and 498,721.86 is: 688,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,750.98 : 1,116,096.57 = 498,721.86 : x
  2. Step 2: Convert to fraction form
    808,750.98/1,116,096.57 = 498,721.86/x
  3. Step 3: Cross multiply
    808,750.98x = 1,116,096.57 × 498,721.86
  4. Step 4: Simplify right side
    808,750.98x = 556,621,757,330.02
  5. Step 5: Solve for x
    x = 556,621,757,330.02/808,750.98
  6. Step 6: Final answer
    x = 688,248.63

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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.