Home / 778,732.50-1,074,648.82-434,564.76

Finding the Fourth Proportional to 778,732.50, 1,074,648.82 and 434,564.76

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Solution

The fourth proportional to 778,732.50, 1,074,648.82 and 434,564.76 is: 599,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,732.50 : 1,074,648.82 = 434,564.76 : x
  2. Step 2: Convert to fraction form
    778,732.50/1,074,648.82 = 434,564.76/x
  3. Step 3: Cross multiply
    778,732.50x = 1,074,648.82 × 434,564.76
  4. Step 4: Simplify right side
    778,732.50x = 467,004,506,547.58
  5. Step 5: Solve for x
    x = 467,004,506,547.58/778,732.50
  6. Step 6: Final answer
    x = 599,698.24

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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.