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Finding the Fourth Proportional to 604,991.70, 907,487.55 and 510,513.30

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Solution

The fourth proportional to 604,991.70, 907,487.55 and 510,513.30 is: 765,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,991.70 : 907,487.55 = 510,513.30 : x
  2. Step 2: Convert to fraction form
    604,991.70/907,487.55 = 510,513.30/x
  3. Step 3: Cross multiply
    604,991.70x = 907,487.55 × 510,513.30
  4. Step 4: Simplify right side
    604,991.70x = 463,284,463,859.42
  5. Step 5: Solve for x
    x = 463,284,463,859.42/604,991.70
  6. Step 6: Final answer
    x = 765,769.95

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1.5x scale

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.