Home / 717,950.80-1,076,916.60-219,317.20

Finding the Fourth Proportional to 717,950.80, 1,076,916.60 and 219,317.20

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Solution

The fourth proportional to 717,950.80, 1,076,916.60 and 219,317.20 is: 328,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,950.80 : 1,076,916.60 = 219,317.20 : x
  2. Step 2: Convert to fraction form
    717,950.80/1,076,916.60 = 219,317.20/x
  3. Step 3: Cross multiply
    717,950.80x = 1,076,916.60 × 219,317.20
  4. Step 4: Simplify right side
    717,950.80x = 236,186,333,345.52
  5. Step 5: Solve for x
    x = 236,186,333,345.52/717,950.80
  6. Step 6: Final answer
    x = 328,972.87

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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.