Home / 570,901.08-787,836.82-309,251.46

Finding the Fourth Proportional to 570,901.08, 787,836.82 and 309,251.46

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Solution

The fourth proportional to 570,901.08, 787,836.82 and 309,251.46 is: 426,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,901.08 : 787,836.82 = 309,251.46 : x
  2. Step 2: Convert to fraction form
    570,901.08/787,836.82 = 309,251.46/x
  3. Step 3: Cross multiply
    570,901.08x = 787,836.82 × 309,251.46
  4. Step 4: Simplify right side
    570,901.08x = 243,639,686,826.76
  5. Step 5: Solve for x
    x = 243,639,686,826.76/570,901.08
  6. Step 6: Final answer
    x = 426,763.40

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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.