Home / 708,317.48-977,449.59-386,020.64

Finding the Fourth Proportional to 708,317.48, 977,449.59 and 386,020.64

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Solution

The fourth proportional to 708,317.48, 977,449.59 and 386,020.64 is: 532,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,317.48 : 977,449.59 = 386,020.64 : x
  2. Step 2: Convert to fraction form
    708,317.48/977,449.59 = 386,020.64/x
  3. Step 3: Cross multiply
    708,317.48x = 977,449.59 × 386,020.64
  4. Step 4: Simplify right side
    708,317.48x = 377,315,711,412.29
  5. Step 5: Solve for x
    x = 377,315,711,412.29/708,317.48
  6. Step 6: Final answer
    x = 532,692.93

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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.