Home / 746,278.47-1,030,011.26-519,792.75

Finding the Fourth Proportional to 746,278.47, 1,030,011.26 and 519,792.75

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Solution

The fourth proportional to 746,278.47, 1,030,011.26 and 519,792.75 is: 717,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,278.47 : 1,030,011.26 = 519,792.75 : x
  2. Step 2: Convert to fraction form
    746,278.47/1,030,011.26 = 519,792.75/x
  3. Step 3: Cross multiply
    746,278.47x = 1,030,011.26 × 519,792.75
  4. Step 4: Simplify right side
    746,278.47x = 535,392,382,767.40
  5. Step 5: Solve for x
    x = 535,392,382,767.40/746,278.47
  6. Step 6: Final answer
    x = 717,416.36

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Double scale
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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.