Home / 908,741.23-1,254,011.73-500,841.82

Finding the Fourth Proportional to 908,741.23, 1,254,011.73 and 500,841.82

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Solution

The fourth proportional to 908,741.23, 1,254,011.73 and 500,841.82 is: 691,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,741.23 : 1,254,011.73 = 500,841.82 : x
  2. Step 2: Convert to fraction form
    908,741.23/1,254,011.73 = 500,841.82/x
  3. Step 3: Cross multiply
    908,741.23x = 1,254,011.73 × 500,841.82
  4. Step 4: Simplify right side
    908,741.23x = 628,061,517,154.55
  5. Step 5: Solve for x
    x = 628,061,517,154.55/908,741.23
  6. Step 6: Final answer
    x = 691,133.51

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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.