Home / 710,692.08-1,066,148.90-426,315.79

Finding the Fourth Proportional to 710,692.08, 1,066,148.90 and 426,315.79

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Solution

The fourth proportional to 710,692.08, 1,066,148.90 and 426,315.79 is: 639,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,692.08 : 1,066,148.90 = 426,315.79 : x
  2. Step 2: Convert to fraction form
    710,692.08/1,066,148.90 = 426,315.79/x
  3. Step 3: Cross multiply
    710,692.08x = 1,066,148.90 × 426,315.79
  4. Step 4: Simplify right side
    710,692.08x = 454,516,110,561.13
  5. Step 5: Solve for x
    x = 454,516,110,561.13/710,692.08
  6. Step 6: Final answer
    x = 639,540.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.