Home / 758,741.07-1,047,550.83-486,926.13

Finding the Fourth Proportional to 758,741.07, 1,047,550.83 and 486,926.13

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Solution

The fourth proportional to 758,741.07, 1,047,550.83 and 486,926.13 is: 672,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,741.07 : 1,047,550.83 = 486,926.13 : x
  2. Step 2: Convert to fraction form
    758,741.07/1,047,550.83 = 486,926.13/x
  3. Step 3: Cross multiply
    758,741.07x = 1,047,550.83 × 486,926.13
  4. Step 4: Simplify right side
    758,741.07x = 510,079,871,630.19
  5. Step 5: Solve for x
    x = 510,079,871,630.19/758,741.07
  6. Step 6: Final answer
    x = 672,271.33

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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.