Home / 778,730.22-1,074,645.66-434,562.48

Finding the Fourth Proportional to 778,730.22, 1,074,645.66 and 434,562.48

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Solution

The fourth proportional to 778,730.22, 1,074,645.66 and 434,562.48 is: 599,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,730.22 : 1,074,645.66 = 434,562.48 : x
  2. Step 2: Convert to fraction form
    778,730.22/1,074,645.66 = 434,562.48/x
  3. Step 3: Cross multiply
    778,730.22x = 1,074,645.66 × 434,562.48
  4. Step 4: Simplify right side
    778,730.22x = 467,000,683,130.84
  5. Step 5: Solve for x
    x = 467,000,683,130.84/778,730.22
  6. Step 6: Final answer
    x = 599,695.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.