Home / 810,586.68-1,118,667.53-448,002.73

Finding the Fourth Proportional to 810,586.68, 1,118,667.53 and 448,002.73

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Solution

The fourth proportional to 810,586.68, 1,118,667.53 and 448,002.73 is: 618,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,586.68 : 1,118,667.53 = 448,002.73 : x
  2. Step 2: Convert to fraction form
    810,586.68/1,118,667.53 = 448,002.73/x
  3. Step 3: Cross multiply
    810,586.68x = 1,118,667.53 × 448,002.73
  4. Step 4: Simplify right side
    810,586.68x = 501,166,107,402.36
  5. Step 5: Solve for x
    x = 501,166,107,402.36/810,586.68
  6. Step 6: Final answer
    x = 618,275.77

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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.