Home / 868,703.04-1,303,643.25-356,460.78

Finding the Fourth Proportional to 868,703.04, 1,303,643.25 and 356,460.78

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Solution

The fourth proportional to 868,703.04, 1,303,643.25 and 356,460.78 is: 534,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,703.04 : 1,303,643.25 = 356,460.78 : x
  2. Step 2: Convert to fraction form
    868,703.04/1,303,643.25 = 356,460.78/x
  3. Step 3: Cross multiply
    868,703.04x = 1,303,643.25 × 356,460.78
  4. Step 4: Simplify right side
    868,703.04x = 464,697,689,122.06
  5. Step 5: Solve for x
    x = 464,697,689,122.06/868,703.04
  6. Step 6: Final answer
    x = 534,932.73

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Double scale
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Similar ratio
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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.