Home / 931,731.46-1,397,547.77-300,645.34

Finding the Fourth Proportional to 931,731.46, 1,397,547.77 and 300,645.34

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Solution

The fourth proportional to 931,731.46, 1,397,547.77 and 300,645.34 is: 450,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,731.46 : 1,397,547.77 = 300,645.34 : x
  2. Step 2: Convert to fraction form
    931,731.46/1,397,547.77 = 300,645.34/x
  3. Step 3: Cross multiply
    931,731.46x = 1,397,547.77 × 300,645.34
  4. Step 4: Simplify right side
    931,731.46x = 420,166,217,490.15
  5. Step 5: Solve for x
    x = 420,166,217,490.15/931,731.46
  6. Step 6: Final answer
    x = 450,952.06

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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.