Home / 516,813.39-774,430.68-217,130.13

Finding the Fourth Proportional to 516,813.39, 774,430.68 and 217,130.13

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Solution

The fourth proportional to 516,813.39, 774,430.68 and 217,130.13 is: 325,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,813.39 : 774,430.68 = 217,130.13 : x
  2. Step 2: Convert to fraction form
    516,813.39/774,430.68 = 217,130.13/x
  3. Step 3: Cross multiply
    516,813.39x = 774,430.68 × 217,130.13
  4. Step 4: Simplify right side
    516,813.39x = 168,152,234,224.39
  5. Step 5: Solve for x
    x = 168,152,234,224.39/516,813.39
  6. Step 6: Final answer
    x = 325,363.54

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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.