Home / 771,292.40-1,064,256.98-484,609.50

Finding the Fourth Proportional to 771,292.40, 1,064,256.98 and 484,609.50

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Solution

The fourth proportional to 771,292.40, 1,064,256.98 and 484,609.50 is: 668,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,292.40 : 1,064,256.98 = 484,609.50 : x
  2. Step 2: Convert to fraction form
    771,292.40/1,064,256.98 = 484,609.50/x
  3. Step 3: Cross multiply
    771,292.40x = 1,064,256.98 × 484,609.50
  4. Step 4: Simplify right side
    771,292.40x = 515,749,040,526.26
  5. Step 5: Solve for x
    x = 515,749,040,526.26/771,292.40
  6. Step 6: Final answer
    x = 668,681.61

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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.