Home / 983,450.81-1,475,438.72-352,428.41

Finding the Fourth Proportional to 983,450.81, 1,475,438.72 and 352,428.41

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Solution

The fourth proportional to 983,450.81, 1,475,438.72 and 352,428.41 is: 528,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,450.81 : 1,475,438.72 = 352,428.41 : x
  2. Step 2: Convert to fraction form
    983,450.81/1,475,438.72 = 352,428.41/x
  3. Step 3: Cross multiply
    983,450.81x = 1,475,438.72 × 352,428.41
  4. Step 4: Simplify right side
    983,450.81x = 519,986,522,142.04
  5. Step 5: Solve for x
    x = 519,986,522,142.04/983,450.81
  6. Step 6: Final answer
    x = 528,736.69

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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.