Home / 832,447.69-1,148,778.83-450,474.47

Finding the Fourth Proportional to 832,447.69, 1,148,778.83 and 450,474.47

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Solution

The fourth proportional to 832,447.69, 1,148,778.83 and 450,474.47 is: 621,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,447.69 : 1,148,778.83 = 450,474.47 : x
  2. Step 2: Convert to fraction form
    832,447.69/1,148,778.83 = 450,474.47/x
  3. Step 3: Cross multiply
    832,447.69x = 1,148,778.83 × 450,474.47
  4. Step 4: Simplify right side
    832,447.69x = 517,495,535,211.05
  5. Step 5: Solve for x
    x = 517,495,535,211.05/832,447.69
  6. Step 6: Final answer
    x = 621,655.32

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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.