Home / 914,895.71-1,262,559.05-507,004.28

Finding the Fourth Proportional to 914,895.71, 1,262,559.05 and 507,004.28

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Solution

The fourth proportional to 914,895.71, 1,262,559.05 and 507,004.28 is: 699,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,895.71 : 1,262,559.05 = 507,004.28 : x
  2. Step 2: Convert to fraction form
    914,895.71/1,262,559.05 = 507,004.28/x
  3. Step 3: Cross multiply
    914,895.71x = 1,262,559.05 × 507,004.28
  4. Step 4: Simplify right side
    914,895.71x = 640,122,842,102.73
  5. Step 5: Solve for x
    x = 640,122,842,102.73/914,895.71
  6. Step 6: Final answer
    x = 699,667.55

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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.