Home / 942,658.25-1,300,857.45-512,930.98

Finding the Fourth Proportional to 942,658.25, 1,300,857.45 and 512,930.98

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Solution

The fourth proportional to 942,658.25, 1,300,857.45 and 512,930.98 is: 707,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,658.25 : 1,300,857.45 = 512,930.98 : x
  2. Step 2: Convert to fraction form
    942,658.25/1,300,857.45 = 512,930.98/x
  3. Step 3: Cross multiply
    942,658.25x = 1,300,857.45 × 512,930.98
  4. Step 4: Simplify right side
    942,658.25x = 667,250,080,164.51
  5. Step 5: Solve for x
    x = 667,250,080,164.51/942,658.25
  6. Step 6: Final answer
    x = 707,838.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.