Home / 832,499.76-1,148,851.71-450,529.32

Finding the Fourth Proportional to 832,499.76, 1,148,851.71 and 450,529.32

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Solution

The fourth proportional to 832,499.76, 1,148,851.71 and 450,529.32 is: 621,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,499.76 : 1,148,851.71 = 450,529.32 : x
  2. Step 2: Convert to fraction form
    832,499.76/1,148,851.71 = 450,529.32/x
  3. Step 3: Cross multiply
    832,499.76x = 1,148,851.71 × 450,529.32
  4. Step 4: Simplify right side
    832,499.76x = 517,591,379,687.14
  5. Step 5: Solve for x
    x = 517,591,379,687.14/832,499.76
  6. Step 6: Final answer
    x = 621,731.57

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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.