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Finding the Fourth Proportional to 536,242.77, 807,263.19 and 488,518.07

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Solution

The fourth proportional to 536,242.77, 807,263.19 and 488,518.07 is: 735,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,242.77 : 807,263.19 = 488,518.07 : x
  2. Step 2: Convert to fraction form
    536,242.77/807,263.19 = 488,518.07/x
  3. Step 3: Cross multiply
    536,242.77x = 807,263.19 × 488,518.07
  4. Step 4: Simplify right side
    536,242.77x = 394,362,653,118.25
  5. Step 5: Solve for x
    x = 394,362,653,118.25/536,242.77
  6. Step 6: Final answer
    x = 735,418.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.