Home / 778,466.16-1,167,275.34-351,501.66

Finding the Fourth Proportional to 778,466.16, 1,167,275.34 and 351,501.66

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Solution

The fourth proportional to 778,466.16, 1,167,275.34 and 351,501.66 is: 527,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,466.16 : 1,167,275.34 = 351,501.66 : x
  2. Step 2: Convert to fraction form
    778,466.16/1,167,275.34 = 351,501.66/x
  3. Step 3: Cross multiply
    778,466.16x = 1,167,275.34 × 351,501.66
  4. Step 4: Simplify right side
    778,466.16x = 410,299,219,687.06
  5. Step 5: Solve for x
    x = 410,299,219,687.06/778,466.16
  6. Step 6: Final answer
    x = 527,061.09

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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.