Home / 713,864.63-1,070,682.05-208,306.91

Finding the Fourth Proportional to 713,864.63, 1,070,682.05 and 208,306.91

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Solution

The fourth proportional to 713,864.63, 1,070,682.05 and 208,306.91 is: 312,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,864.63 : 1,070,682.05 = 208,306.91 : x
  2. Step 2: Convert to fraction form
    713,864.63/1,070,682.05 = 208,306.91/x
  3. Step 3: Cross multiply
    713,864.63x = 1,070,682.05 × 208,306.91
  4. Step 4: Simplify right side
    713,864.63x = 223,030,463,033.02
  5. Step 5: Solve for x
    x = 223,030,463,033.02/713,864.63
  6. Step 6: Final answer
    x = 312,426.83

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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.