Home / 983,450.18-1,475,437.78-352,427.78

Finding the Fourth Proportional to 983,450.18, 1,475,437.78 and 352,427.78

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Solution

The fourth proportional to 983,450.18, 1,475,437.78 and 352,427.78 is: 528,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,450.18 : 1,475,437.78 = 352,427.78 : x
  2. Step 2: Convert to fraction form
    983,450.18/1,475,437.78 = 352,427.78/x
  3. Step 3: Cross multiply
    983,450.18x = 1,475,437.78 × 352,427.78
  4. Step 4: Simplify right side
    983,450.18x = 519,985,265,462.66
  5. Step 5: Solve for x
    x = 519,985,265,462.66/983,450.18
  6. Step 6: Final answer
    x = 528,735.75

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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.