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Finding the Fourth Proportional to 583,644.96, 805,430.52 and 315,372.96

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Solution

The fourth proportional to 583,644.96, 805,430.52 and 315,372.96 is: 435,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,644.96 : 805,430.52 = 315,372.96 : x
  2. Step 2: Convert to fraction form
    583,644.96/805,430.52 = 315,372.96/x
  3. Step 3: Cross multiply
    583,644.96x = 805,430.52 × 315,372.96
  4. Step 4: Simplify right side
    583,644.96x = 254,011,007,166.74
  5. Step 5: Solve for x
    x = 254,011,007,166.74/583,644.96
  6. Step 6: Final answer
    x = 435,214.94

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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.