Home / 687,064.52-1,030,667.46-237,784.58

Finding the Fourth Proportional to 687,064.52, 1,030,667.46 and 237,784.58

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Solution

The fourth proportional to 687,064.52, 1,030,667.46 and 237,784.58 is: 356,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,064.52 : 1,030,667.46 = 237,784.58 : x
  2. Step 2: Convert to fraction form
    687,064.52/1,030,667.46 = 237,784.58/x
  3. Step 3: Cross multiply
    687,064.52x = 1,030,667.46 × 237,784.58
  4. Step 4: Simplify right side
    687,064.52x = 245,076,829,095.77
  5. Step 5: Solve for x
    x = 245,076,829,095.77/687,064.52
  6. Step 6: Final answer
    x = 356,701.33

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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.