Home / 749,605.64-1,123,625.10-328,526.60

Finding the Fourth Proportional to 749,605.64, 1,123,625.10 and 328,526.60

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Solution

The fourth proportional to 749,605.64, 1,123,625.10 and 328,526.60 is: 492,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,605.64 : 1,123,625.10 = 328,526.60 : x
  2. Step 2: Convert to fraction form
    749,605.64/1,123,625.10 = 328,526.60/x
  3. Step 3: Cross multiply
    749,605.64x = 1,123,625.10 × 328,526.60
  4. Step 4: Simplify right side
    749,605.64x = 369,140,733,777.66
  5. Step 5: Solve for x
    x = 369,140,733,777.66/749,605.64
  6. Step 6: Final answer
    x = 492,446.58

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Double scale
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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.