Home / 983,259.60-1,475,348.64-509,686.56

Finding the Fourth Proportional to 983,259.60, 1,475,348.64 and 509,686.56

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Solution

The fourth proportional to 983,259.60, 1,475,348.64 and 509,686.56 is: 764,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,259.60 : 1,475,348.64 = 509,686.56 : x
  2. Step 2: Convert to fraction form
    983,259.60/1,475,348.64 = 509,686.56/x
  3. Step 3: Cross multiply
    983,259.60x = 1,475,348.64 × 509,686.56
  4. Step 4: Simplify right side
    983,259.60x = 751,965,373,122.28
  5. Step 5: Solve for x
    x = 751,965,373,122.28/983,259.60
  6. Step 6: Final answer
    x = 764,767.89

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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.