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Finding the Fourth Proportional to 583,296.35, 804,948.78 and 315,024.35

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Solution

The fourth proportional to 583,296.35, 804,948.78 and 315,024.35 is: 434,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,296.35 : 804,948.78 = 315,024.35 : x
  2. Step 2: Convert to fraction form
    583,296.35/804,948.78 = 315,024.35/x
  3. Step 3: Cross multiply
    583,296.35x = 804,948.78 × 315,024.35
  4. Step 4: Simplify right side
    583,296.35x = 253,578,466,202.79
  5. Step 5: Solve for x
    x = 253,578,466,202.79/583,296.35
  6. Step 6: Final answer
    x = 434,733.50

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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.