Home / 583,311.07-804,969.57-315,039.07

Finding the Fourth Proportional to 583,311.07, 804,969.57 and 315,039.07

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Solution

The fourth proportional to 583,311.07, 804,969.57 and 315,039.07 is: 434,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,311.07 : 804,969.57 = 315,039.07 : x
  2. Step 2: Convert to fraction form
    583,311.07/804,969.57 = 315,039.07/x
  3. Step 3: Cross multiply
    583,311.07x = 804,969.57 × 315,039.07
  4. Step 4: Simplify right side
    583,311.07x = 253,596,864,711.10
  5. Step 5: Solve for x
    x = 253,596,864,711.10/583,311.07
  6. Step 6: Final answer
    x = 434,754.08

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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.