Home / 1,031,430.96-1,547,220.96-431,789.04

Finding the Fourth Proportional to 1,031,430.96, 1,547,220.96 and 431,789.04

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Solution

The fourth proportional to 1,031,430.96, 1,547,220.96 and 431,789.04 is: 647,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,430.96 : 1,547,220.96 = 431,789.04 : x
  2. Step 2: Convert to fraction form
    1,031,430.96/1,547,220.96 = 431,789.04/x
  3. Step 3: Cross multiply
    1,031,430.96x = 1,547,220.96 × 431,789.04
  4. Step 4: Simplify right side
    1,031,430.96x = 668,073,052,986.28
  5. Step 5: Solve for x
    x = 668,073,052,986.28/1,031,430.96
  6. Step 6: Final answer
    x = 647,714.76

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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.