Home / 403,260.30-604,890.45-277,289.10

Finding the Fourth Proportional to 403,260.30, 604,890.45 and 277,289.10

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Solution

The fourth proportional to 403,260.30, 604,890.45 and 277,289.10 is: 415,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,260.30 : 604,890.45 = 277,289.10 : x
  2. Step 2: Convert to fraction form
    403,260.30/604,890.45 = 277,289.10/x
  3. Step 3: Cross multiply
    403,260.30x = 604,890.45 × 277,289.10
  4. Step 4: Simplify right side
    403,260.30x = 167,729,528,479.10
  5. Step 5: Solve for x
    x = 167,729,528,479.10/403,260.30
  6. Step 6: Final answer
    x = 415,933.65

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Similar ratio
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1.5x scale

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.