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Finding the Fourth Proportional to 659,536.48, 989,155.27 and 334,995.60

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Solution

The fourth proportional to 659,536.48, 989,155.27 and 334,995.60 is: 502,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,536.48 : 989,155.27 = 334,995.60 : x
  2. Step 2: Convert to fraction form
    659,536.48/989,155.27 = 334,995.60/x
  3. Step 3: Cross multiply
    659,536.48x = 989,155.27 × 334,995.60
  4. Step 4: Simplify right side
    659,536.48x = 331,362,663,166.81
  5. Step 5: Solve for x
    x = 331,362,663,166.81/659,536.48
  6. Step 6: Final answer
    x = 502,417.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.