Home / 912,014.30-1,368,168.48-280,927.52

Finding the Fourth Proportional to 912,014.30, 1,368,168.48 and 280,927.52

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Solution

The fourth proportional to 912,014.30, 1,368,168.48 and 280,927.52 is: 421,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,014.30 : 1,368,168.48 = 280,927.52 : x
  2. Step 2: Convert to fraction form
    912,014.30/1,368,168.48 = 280,927.52/x
  3. Step 3: Cross multiply
    912,014.30x = 1,368,168.48 × 280,927.52
  4. Step 4: Simplify right side
    912,014.30x = 384,356,178,028.57
  5. Step 5: Solve for x
    x = 384,356,178,028.57/912,014.30
  6. Step 6: Final answer
    x = 421,436.57

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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.