Home / 912,452.40-1,368,650.04-379,960.08

Finding the Fourth Proportional to 912,452.40, 1,368,650.04 and 379,960.08

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Solution

The fourth proportional to 912,452.40, 1,368,650.04 and 379,960.08 is: 569,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,452.40 : 1,368,650.04 = 379,960.08 : x
  2. Step 2: Convert to fraction form
    912,452.40/1,368,650.04 = 379,960.08/x
  3. Step 3: Cross multiply
    912,452.40x = 1,368,650.04 × 379,960.08
  4. Step 4: Simplify right side
    912,452.40x = 520,032,378,690.40
  5. Step 5: Solve for x
    x = 520,032,378,690.40/912,452.40
  6. Step 6: Final answer
    x = 569,928.23

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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.