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Finding the Fourth Proportional to 660,247.44, 910,210.56 and 469,191.12

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Solution

The fourth proportional to 660,247.44, 910,210.56 and 469,191.12 is: 646,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,247.44 : 910,210.56 = 469,191.12 : x
  2. Step 2: Convert to fraction form
    660,247.44/910,210.56 = 469,191.12/x
  3. Step 3: Cross multiply
    660,247.44x = 910,210.56 × 469,191.12
  4. Step 4: Simplify right side
    660,247.44x = 427,062,712,082.23
  5. Step 5: Solve for x
    x = 427,062,712,082.23/660,247.44
  6. Step 6: Final answer
    x = 646,822.22

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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.