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Finding the Fourth Proportional to 590,319.84, 885,444.51 and 347,297.45

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Solution

The fourth proportional to 590,319.84, 885,444.51 and 347,297.45 is: 520,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,319.84 : 885,444.51 = 347,297.45 : x
  2. Step 2: Convert to fraction form
    590,319.84/885,444.51 = 347,297.45/x
  3. Step 3: Cross multiply
    590,319.84x = 885,444.51 × 347,297.45
  4. Step 4: Simplify right side
    590,319.84x = 307,512,617,314.64
  5. Step 5: Solve for x
    x = 307,512,617,314.64/590,319.84
  6. Step 6: Final answer
    x = 520,925.43

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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.