Home / 760,186.26-1,049,066.37-420,686.10

Finding the Fourth Proportional to 760,186.26, 1,049,066.37 and 420,686.10

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Solution

The fourth proportional to 760,186.26, 1,049,066.37 and 420,686.10 is: 580,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,186.26 : 1,049,066.37 = 420,686.10 : x
  2. Step 2: Convert to fraction form
    760,186.26/1,049,066.37 = 420,686.10/x
  3. Step 3: Cross multiply
    760,186.26x = 1,049,066.37 × 420,686.10
  4. Step 4: Simplify right side
    760,186.26x = 441,327,639,836.46
  5. Step 5: Solve for x
    x = 441,327,639,836.46/760,186.26
  6. Step 6: Final answer
    x = 580,551.98

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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.