Home / 778,567.08-1,167,792.30-217,645.32

Finding the Fourth Proportional to 778,567.08, 1,167,792.30 and 217,645.32

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Solution

The fourth proportional to 778,567.08, 1,167,792.30 and 217,645.32 is: 326,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,567.08 : 1,167,792.30 = 217,645.32 : x
  2. Step 2: Convert to fraction form
    778,567.08/1,167,792.30 = 217,645.32/x
  3. Step 3: Cross multiply
    778,567.08x = 1,167,792.30 × 217,645.32
  4. Step 4: Simplify right side
    778,567.08x = 254,164,528,827.04
  5. Step 5: Solve for x
    x = 254,164,528,827.04/778,567.08
  6. Step 6: Final answer
    x = 326,451.68

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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.