Home / 510,739.20-766,106.73-155,752.19

Finding the Fourth Proportional to 510,739.20, 766,106.73 and 155,752.19

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Solution

The fourth proportional to 510,739.20, 766,106.73 and 155,752.19 is: 233,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,739.20 : 766,106.73 = 155,752.19 : x
  2. Step 2: Convert to fraction form
    510,739.20/766,106.73 = 155,752.19/x
  3. Step 3: Cross multiply
    510,739.20x = 766,106.73 × 155,752.19
  4. Step 4: Simplify right side
    510,739.20x = 119,322,797,140.71
  5. Step 5: Solve for x
    x = 119,322,797,140.71/510,739.20
  6. Step 6: Final answer
    x = 233,627.65

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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.