Home / 778,570.74-1,166,214.47-494,111.30

Finding the Fourth Proportional to 778,570.74, 1,166,214.47 and 494,111.30

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Solution

The fourth proportional to 778,570.74, 1,166,214.47 and 494,111.30 is: 740,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,570.74 : 1,166,214.47 = 494,111.30 : x
  2. Step 2: Convert to fraction form
    778,570.74/1,166,214.47 = 494,111.30/x
  3. Step 3: Cross multiply
    778,570.74x = 1,166,214.47 × 494,111.30
  4. Step 4: Simplify right side
    778,570.74x = 576,239,739,548.88
  5. Step 5: Solve for x
    x = 576,239,739,548.88/778,570.74
  6. Step 6: Final answer
    x = 740,125.09

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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.