Home / 790,218.50-1,090,501.44-427,642.35

Finding the Fourth Proportional to 790,218.50, 1,090,501.44 and 427,642.35

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Solution

The fourth proportional to 790,218.50, 1,090,501.44 and 427,642.35 is: 590,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,218.50 : 1,090,501.44 = 427,642.35 : x
  2. Step 2: Convert to fraction form
    790,218.50/1,090,501.44 = 427,642.35/x
  3. Step 3: Cross multiply
    790,218.50x = 1,090,501.44 × 427,642.35
  4. Step 4: Simplify right side
    790,218.50x = 466,344,598,479.98
  5. Step 5: Solve for x
    x = 466,344,598,479.98/790,218.50
  6. Step 6: Final answer
    x = 590,146.40

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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.