Home / 788,826.60-1,181,490.30-414,412.20

Finding the Fourth Proportional to 788,826.60, 1,181,490.30 and 414,412.20

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Solution

The fourth proportional to 788,826.60, 1,181,490.30 and 414,412.20 is: 620,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,826.60 : 1,181,490.30 = 414,412.20 : x
  2. Step 2: Convert to fraction form
    788,826.60/1,181,490.30 = 414,412.20/x
  3. Step 3: Cross multiply
    788,826.60x = 1,181,490.30 × 414,412.20
  4. Step 4: Simplify right side
    788,826.60x = 489,623,994,501.66
  5. Step 5: Solve for x
    x = 489,623,994,501.66/788,826.60
  6. Step 6: Final answer
    x = 620,699.14

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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.