Home / 948,295.98-1,308,635.87-540,422.10

Finding the Fourth Proportional to 948,295.98, 1,308,635.87 and 540,422.10

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Solution

The fourth proportional to 948,295.98, 1,308,635.87 and 540,422.10 is: 745,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,295.98 : 1,308,635.87 = 540,422.10 : x
  2. Step 2: Convert to fraction form
    948,295.98/1,308,635.87 = 540,422.10/x
  3. Step 3: Cross multiply
    948,295.98x = 1,308,635.87 × 540,422.10
  4. Step 4: Simplify right side
    948,295.98x = 707,215,742,298.62
  5. Step 5: Solve for x
    x = 707,215,742,298.62/948,295.98
  6. Step 6: Final answer
    x = 745,775.32

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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.