Home / 909,437.28-1,364,261.20-302,279.80

Finding the Fourth Proportional to 909,437.28, 1,364,261.20 and 302,279.80

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Solution

The fourth proportional to 909,437.28, 1,364,261.20 and 302,279.80 is: 453,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,437.28 : 1,364,261.20 = 302,279.80 : x
  2. Step 2: Convert to fraction form
    909,437.28/1,364,261.20 = 302,279.80/x
  3. Step 3: Cross multiply
    909,437.28x = 1,364,261.20 × 302,279.80
  4. Step 4: Simplify right side
    909,437.28x = 412,388,602,683.76
  5. Step 5: Solve for x
    x = 412,388,602,683.76/909,437.28
  6. Step 6: Final answer
    x = 453,454.69

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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.