Home / 914,668.74-1,262,140.38-506,668.50

Finding the Fourth Proportional to 914,668.74, 1,262,140.38 and 506,668.50

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Solution

The fourth proportional to 914,668.74, 1,262,140.38 and 506,668.50 is: 699,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,668.74 : 1,262,140.38 = 506,668.50 : x
  2. Step 2: Convert to fraction form
    914,668.74/1,262,140.38 = 506,668.50/x
  3. Step 3: Cross multiply
    914,668.74x = 1,262,140.38 × 506,668.50
  4. Step 4: Simplify right side
    914,668.74x = 639,486,773,124.03
  5. Step 5: Solve for x
    x = 639,486,773,124.03/914,668.74
  6. Step 6: Final answer
    x = 699,145.76

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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.