Home / 864,776.81-1,297,032.14-288,410.22

Finding the Fourth Proportional to 864,776.81, 1,297,032.14 and 288,410.22

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Solution

The fourth proportional to 864,776.81, 1,297,032.14 and 288,410.22 is: 432,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,776.81 : 1,297,032.14 = 288,410.22 : x
  2. Step 2: Convert to fraction form
    864,776.81/1,297,032.14 = 288,410.22/x
  3. Step 3: Cross multiply
    864,776.81x = 1,297,032.14 × 288,410.22
  4. Step 4: Simplify right side
    864,776.81x = 374,077,325,565.50
  5. Step 5: Solve for x
    x = 374,077,325,565.50/864,776.81
  6. Step 6: Final answer
    x = 432,570.95

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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.