Home / 788,007.60-1,181,665.80-314,535.60

Finding the Fourth Proportional to 788,007.60, 1,181,665.80 and 314,535.60

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Solution

The fourth proportional to 788,007.60, 1,181,665.80 and 314,535.60 is: 471,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,007.60 : 1,181,665.80 = 314,535.60 : x
  2. Step 2: Convert to fraction form
    788,007.60/1,181,665.80 = 314,535.60/x
  3. Step 3: Cross multiply
    788,007.60x = 1,181,665.80 × 314,535.60
  4. Step 4: Simplify right side
    788,007.60x = 371,675,961,402.48
  5. Step 5: Solve for x
    x = 371,675,961,402.48/788,007.60
  6. Step 6: Final answer
    x = 471,665.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.