Home / 778,275.51-1,166,315.89-367,506.54

Finding the Fourth Proportional to 778,275.51, 1,166,315.89 and 367,506.54

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Solution

The fourth proportional to 778,275.51, 1,166,315.89 and 367,506.54 is: 550,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,275.51 : 1,166,315.89 = 367,506.54 : x
  2. Step 2: Convert to fraction form
    778,275.51/1,166,315.89 = 367,506.54/x
  3. Step 3: Cross multiply
    778,275.51x = 1,166,315.89 × 367,506.54
  4. Step 4: Simplify right side
    778,275.51x = 428,628,712,677.54
  5. Step 5: Solve for x
    x = 428,628,712,677.54/778,275.51
  6. Step 6: Final answer
    x = 550,741.62

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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.