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Finding the Fourth Proportional to 774,255.72, 1,068,559.02 and 452,045.64

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Solution

The fourth proportional to 774,255.72, 1,068,559.02 and 452,045.64 is: 623,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,255.72 : 1,068,559.02 = 452,045.64 : x
  2. Step 2: Convert to fraction form
    774,255.72/1,068,559.02 = 452,045.64/x
  3. Step 3: Cross multiply
    774,255.72x = 1,068,559.02 × 452,045.64
  4. Step 4: Simplify right side
    774,255.72x = 483,037,446,073.67
  5. Step 5: Solve for x
    x = 483,037,446,073.67/774,255.72
  6. Step 6: Final answer
    x = 623,873.27

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Double scale
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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.