Home / 810,206.32-1,215,569.12-567,300.40

Finding the Fourth Proportional to 810,206.32, 1,215,569.12 and 567,300.40

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Solution

The fourth proportional to 810,206.32, 1,215,569.12 and 567,300.40 is: 851,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,206.32 : 1,215,569.12 = 567,300.40 : x
  2. Step 2: Convert to fraction form
    810,206.32/1,215,569.12 = 567,300.40/x
  3. Step 3: Cross multiply
    810,206.32x = 1,215,569.12 × 567,300.40
  4. Step 4: Simplify right side
    810,206.32x = 689,592,848,003.65
  5. Step 5: Solve for x
    x = 689,592,848,003.65/810,206.32
  6. Step 6: Final answer
    x = 851,132.40

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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.