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Finding the Fourth Proportional to 675,485.56, 932,017.45 and 403,500.23

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Solution

The fourth proportional to 675,485.56, 932,017.45 and 403,500.23 is: 556,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,485.56 : 932,017.45 = 403,500.23 : x
  2. Step 2: Convert to fraction form
    675,485.56/932,017.45 = 403,500.23/x
  3. Step 3: Cross multiply
    675,485.56x = 932,017.45 × 403,500.23
  4. Step 4: Simplify right side
    675,485.56x = 376,069,255,439.01
  5. Step 5: Solve for x
    x = 376,069,255,439.01/675,485.56
  6. Step 6: Final answer
    x = 556,739.15

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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.