Home / 791,117.18-1,091,719.27-464,424.98

Finding the Fourth Proportional to 791,117.18, 1,091,719.27 and 464,424.98

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Solution

The fourth proportional to 791,117.18, 1,091,719.27 and 464,424.98 is: 640,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,117.18 : 1,091,719.27 = 464,424.98 : x
  2. Step 2: Convert to fraction form
    791,117.18/1,091,719.27 = 464,424.98/x
  3. Step 3: Cross multiply
    791,117.18x = 1,091,719.27 × 464,424.98
  4. Step 4: Simplify right side
    791,117.18x = 507,021,700,135.37
  5. Step 5: Solve for x
    x = 507,021,700,135.37/791,117.18
  6. Step 6: Final answer
    x = 640,893.30

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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.