Home / 705,397.48-1,051,370.45-665,545.96

Finding the Fourth Proportional to 705,397.48, 1,051,370.45 and 665,545.96

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Solution

The fourth proportional to 705,397.48, 1,051,370.45 and 665,545.96 is: 991,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,397.48 : 1,051,370.45 = 665,545.96 : x
  2. Step 2: Convert to fraction form
    705,397.48/1,051,370.45 = 665,545.96/x
  3. Step 3: Cross multiply
    705,397.48x = 1,051,370.45 × 665,545.96
  4. Step 4: Simplify right side
    705,397.48x = 699,735,355,460.88
  5. Step 5: Solve for x
    x = 699,735,355,460.88/705,397.48
  6. Step 6: Final answer
    x = 991,973.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.