Home / 983,560.77-1,475,211.95-309,645.60

Finding the Fourth Proportional to 983,560.77, 1,475,211.95 and 309,645.60

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Solution

The fourth proportional to 983,560.77, 1,475,211.95 and 309,645.60 is: 464,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,560.77 : 1,475,211.95 = 309,645.60 : x
  2. Step 2: Convert to fraction form
    983,560.77/1,475,211.95 = 309,645.60/x
  3. Step 3: Cross multiply
    983,560.77x = 1,475,211.95 × 309,645.60
  4. Step 4: Simplify right side
    983,560.77x = 456,792,887,836.69
  5. Step 5: Solve for x
    x = 456,792,887,836.69/983,560.77
  6. Step 6: Final answer
    x = 464,427.72

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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.