Home / 788,001.60-1,181,656.80-314,529.60

Finding the Fourth Proportional to 788,001.60, 1,181,656.80 and 314,529.60

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Solution

The fourth proportional to 788,001.60, 1,181,656.80 and 314,529.60 is: 471,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,001.60 : 1,181,656.80 = 314,529.60 : x
  2. Step 2: Convert to fraction form
    788,001.60/1,181,656.80 = 314,529.60/x
  3. Step 3: Cross multiply
    788,001.60x = 1,181,656.80 × 314,529.60
  4. Step 4: Simplify right side
    788,001.60x = 371,666,040,641.28
  5. Step 5: Solve for x
    x = 371,666,040,641.28/788,001.60
  6. Step 6: Final answer
    x = 471,656.45

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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.