Home / 865,032.94-1,297,549.50-257,830.66

Finding the Fourth Proportional to 865,032.94, 1,297,549.50 and 257,830.66

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Solution

The fourth proportional to 865,032.94, 1,297,549.50 and 257,830.66 is: 386,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,032.94 : 1,297,549.50 = 257,830.66 : x
  2. Step 2: Convert to fraction form
    865,032.94/1,297,549.50 = 257,830.66/x
  3. Step 3: Cross multiply
    865,032.94x = 1,297,549.50 × 257,830.66
  4. Step 4: Simplify right side
    865,032.94x = 334,548,043,967.67
  5. Step 5: Solve for x
    x = 334,548,043,967.67/865,032.94
  6. Step 6: Final answer
    x = 386,746.02

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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.