Home / 746,281.47-1,030,015.40-519,795.75

Finding the Fourth Proportional to 746,281.47, 1,030,015.40 and 519,795.75

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Solution

The fourth proportional to 746,281.47, 1,030,015.40 and 519,795.75 is: 717,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,281.47 : 1,030,015.40 = 519,795.75 : x
  2. Step 2: Convert to fraction form
    746,281.47/1,030,015.40 = 519,795.75/x
  3. Step 3: Cross multiply
    746,281.47x = 1,030,015.40 × 519,795.75
  4. Step 4: Simplify right side
    746,281.47x = 535,397,624,755.57
  5. Step 5: Solve for x
    x = 535,397,624,755.57/746,281.47
  6. Step 6: Final answer
    x = 717,420.50

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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.