Home / 914,509.42-1,262,022.78-506,637.75

Finding the Fourth Proportional to 914,509.42, 1,262,022.78 and 506,637.75

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Solution

The fourth proportional to 914,509.42, 1,262,022.78 and 506,637.75 is: 699,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,509.42 : 1,262,022.78 = 506,637.75 : x
  2. Step 2: Convert to fraction form
    914,509.42/1,262,022.78 = 506,637.75/x
  3. Step 3: Cross multiply
    914,509.42x = 1,262,022.78 × 506,637.75
  4. Step 4: Simplify right side
    914,509.42x = 639,388,381,707.95
  5. Step 5: Solve for x
    x = 639,388,381,707.95/914,509.42
  6. Step 6: Final answer
    x = 699,159.97

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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.