Home / 983,815.48-1,357,668.03-570,432.52

Finding the Fourth Proportional to 983,815.48, 1,357,668.03 and 570,432.52

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Solution

The fourth proportional to 983,815.48, 1,357,668.03 and 570,432.52 is: 787,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,815.48 : 1,357,668.03 = 570,432.52 : x
  2. Step 2: Convert to fraction form
    983,815.48/1,357,668.03 = 570,432.52/x
  3. Step 3: Cross multiply
    983,815.48x = 1,357,668.03 × 570,432.52
  4. Step 4: Simplify right side
    983,815.48x = 774,457,995,676.34
  5. Step 5: Solve for x
    x = 774,457,995,676.34/983,815.48
  6. Step 6: Final answer
    x = 787,198.42

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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.