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Finding the Fourth Proportional to 590,802.04, 813,254.34 and 515,219.32

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Solution

The fourth proportional to 590,802.04, 813,254.34 and 515,219.32 is: 709,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,802.04 : 813,254.34 = 515,219.32 : x
  2. Step 2: Convert to fraction form
    590,802.04/813,254.34 = 515,219.32/x
  3. Step 3: Cross multiply
    590,802.04x = 813,254.34 × 515,219.32
  4. Step 4: Simplify right side
    590,802.04x = 419,004,348,041.85
  5. Step 5: Solve for x
    x = 419,004,348,041.85/590,802.04
  6. Step 6: Final answer
    x = 709,212.76

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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.