Home / 786,703.20-1,085,370.48-464,251.92

Finding the Fourth Proportional to 786,703.20, 1,085,370.48 and 464,251.92

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Solution

The fourth proportional to 786,703.20, 1,085,370.48 and 464,251.92 is: 640,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,703.20 : 1,085,370.48 = 464,251.92 : x
  2. Step 2: Convert to fraction form
    786,703.20/1,085,370.48 = 464,251.92/x
  3. Step 3: Cross multiply
    786,703.20x = 1,085,370.48 × 464,251.92
  4. Step 4: Simplify right side
    786,703.20x = 503,885,329,251.32
  5. Step 5: Solve for x
    x = 503,885,329,251.32/786,703.20
  6. Step 6: Final answer
    x = 640,502.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.