Home / 776,585.61-1,072,018.80-522,084.42

Finding the Fourth Proportional to 776,585.61, 1,072,018.80 and 522,084.42

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Solution

The fourth proportional to 776,585.61, 1,072,018.80 and 522,084.42 is: 720,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,585.61 : 1,072,018.80 = 522,084.42 : x
  2. Step 2: Convert to fraction form
    776,585.61/1,072,018.80 = 522,084.42/x
  3. Step 3: Cross multiply
    776,585.61x = 1,072,018.80 × 522,084.42
  4. Step 4: Simplify right side
    776,585.61x = 559,684,313,427.10
  5. Step 5: Solve for x
    x = 559,684,313,427.10/776,585.61
  6. Step 6: Final answer
    x = 720,698.80

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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.