Home / 769,430.99-1,061,869.74-425,259.52

Finding the Fourth Proportional to 769,430.99, 1,061,869.74 and 425,259.52

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Solution

The fourth proportional to 769,430.99, 1,061,869.74 and 425,259.52 is: 586,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,430.99 : 1,061,869.74 = 425,259.52 : x
  2. Step 2: Convert to fraction form
    769,430.99/1,061,869.74 = 425,259.52/x
  3. Step 3: Cross multiply
    769,430.99x = 1,061,869.74 × 425,259.52
  4. Step 4: Simplify right side
    769,430.99x = 451,570,215,934.93
  5. Step 5: Solve for x
    x = 451,570,215,934.93/769,430.99
  6. Step 6: Final answer
    x = 586,888.52

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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.