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Finding the Fourth Proportional to 583,555, 805,306.02 and 315,283

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Solution

The fourth proportional to 583,555, 805,306.02 and 315,283 is: 435,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,555 : 805,306.02 = 315,283 : x
  2. Step 2: Convert to fraction form
    583,555/805,306.02 = 315,283/x
  3. Step 3: Cross multiply
    583,555x = 805,306.02 × 315,283
  4. Step 4: Simplify right side
    583,555x = 253,899,297,903.66
  5. Step 5: Solve for x
    x = 253,899,297,903.66/583,555
  6. Step 6: Final answer
    x = 435,090.60

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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.