Home / 948,295.86-1,308,635.69-540,421.98

Finding the Fourth Proportional to 948,295.86, 1,308,635.69 and 540,421.98

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Solution

The fourth proportional to 948,295.86, 1,308,635.69 and 540,421.98 is: 745,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,295.86 : 1,308,635.69 = 540,421.98 : x
  2. Step 2: Convert to fraction form
    948,295.86/1,308,635.69 = 540,421.98/x
  3. Step 3: Cross multiply
    948,295.86x = 1,308,635.69 × 540,421.98
  4. Step 4: Simplify right side
    948,295.86x = 707,215,484,145.29
  5. Step 5: Solve for x
    x = 707,215,484,145.29/948,295.86
  6. Step 6: Final answer
    x = 745,775.15

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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.