Home / 671,389.38-1,006,973.35-215,957.83

Finding the Fourth Proportional to 671,389.38, 1,006,973.35 and 215,957.83

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Solution

The fourth proportional to 671,389.38, 1,006,973.35 and 215,957.83 is: 323,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,389.38 : 1,006,973.35 = 215,957.83 : x
  2. Step 2: Convert to fraction form
    671,389.38/1,006,973.35 = 215,957.83/x
  3. Step 3: Cross multiply
    671,389.38x = 1,006,973.35 × 215,957.83
  4. Step 4: Simplify right side
    671,389.38x = 217,463,774,498.96
  5. Step 5: Solve for x
    x = 217,463,774,498.96/671,389.38
  6. Step 6: Final answer
    x = 323,901.13

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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.