Home / 776,591.12-1,072,026.40-522,089.92

Finding the Fourth Proportional to 776,591.12, 1,072,026.40 and 522,089.92

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Solution

The fourth proportional to 776,591.12, 1,072,026.40 and 522,089.92 is: 720,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,591.12 : 1,072,026.40 = 522,089.92 : x
  2. Step 2: Convert to fraction form
    776,591.12/1,072,026.40 = 522,089.92/x
  3. Step 3: Cross multiply
    776,591.12x = 1,072,026.40 × 522,089.92
  4. Step 4: Simplify right side
    776,591.12x = 559,694,177,413.89
  5. Step 5: Solve for x
    x = 559,694,177,413.89/776,591.12
  6. Step 6: Final answer
    x = 720,706.38

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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.