Home / 832,343.70-1,148,631.39-450,368.76

Finding the Fourth Proportional to 832,343.70, 1,148,631.39 and 450,368.76

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Solution

The fourth proportional to 832,343.70, 1,148,631.39 and 450,368.76 is: 621,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,343.70 : 1,148,631.39 = 450,368.76 : x
  2. Step 2: Convert to fraction form
    832,343.70/1,148,631.39 = 450,368.76/x
  3. Step 3: Cross multiply
    832,343.70x = 1,148,631.39 × 450,368.76
  4. Step 4: Simplify right side
    832,343.70x = 517,307,694,811.38
  5. Step 5: Solve for x
    x = 517,307,694,811.38/832,343.70
  6. Step 6: Final answer
    x = 621,507.31

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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.