Home / 847,641.95-1,169,767.55-465,678.35

Finding the Fourth Proportional to 847,641.95, 1,169,767.55 and 465,678.35

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Solution

The fourth proportional to 847,641.95, 1,169,767.55 and 465,678.35 is: 642,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,641.95 : 1,169,767.55 = 465,678.35 : x
  2. Step 2: Convert to fraction form
    847,641.95/1,169,767.55 = 465,678.35/x
  3. Step 3: Cross multiply
    847,641.95x = 1,169,767.55 × 465,678.35
  4. Step 4: Simplify right side
    847,641.95x = 544,735,422,567.54
  5. Step 5: Solve for x
    x = 544,735,422,567.54/847,641.95
  6. Step 6: Final answer
    x = 642,648.02

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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.