Home / 553,316.80-829,975.20-503,453.20

Finding the Fourth Proportional to 553,316.80, 829,975.20 and 503,453.20

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Solution

The fourth proportional to 553,316.80, 829,975.20 and 503,453.20 is: 755,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,316.80 : 829,975.20 = 503,453.20 : x
  2. Step 2: Convert to fraction form
    553,316.80/829,975.20 = 503,453.20/x
  3. Step 3: Cross multiply
    553,316.80x = 829,975.20 × 503,453.20
  4. Step 4: Simplify right side
    553,316.80x = 417,853,670,360.64
  5. Step 5: Solve for x
    x = 417,853,670,360.64/553,316.80
  6. Step 6: Final answer
    x = 755,179.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.