Home / 786,965.16-1,086,015.30-429,276.84

Finding the Fourth Proportional to 786,965.16, 1,086,015.30 and 429,276.84

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Solution

The fourth proportional to 786,965.16, 1,086,015.30 and 429,276.84 is: 592,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,965.16 : 1,086,015.30 = 429,276.84 : x
  2. Step 2: Convert to fraction form
    786,965.16/1,086,015.30 = 429,276.84/x
  3. Step 3: Cross multiply
    786,965.16x = 1,086,015.30 × 429,276.84
  4. Step 4: Simplify right side
    786,965.16x = 466,201,216,175.65
  5. Step 5: Solve for x
    x = 466,201,216,175.65/786,965.16
  6. Step 6: Final answer
    x = 592,403.88

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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.