Home / 686,917.50-1,030,166.16-475,047.02

Finding the Fourth Proportional to 686,917.50, 1,030,166.16 and 475,047.02

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Solution

The fourth proportional to 686,917.50, 1,030,166.16 and 475,047.02 is: 712,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,917.50 : 1,030,166.16 = 475,047.02 : x
  2. Step 2: Convert to fraction form
    686,917.50/1,030,166.16 = 475,047.02/x
  3. Step 3: Cross multiply
    686,917.50x = 1,030,166.16 × 475,047.02
  4. Step 4: Simplify right side
    686,917.50x = 489,377,364,412.84
  5. Step 5: Solve for x
    x = 489,377,364,412.84/686,917.50
  6. Step 6: Final answer
    x = 712,425.24

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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.