Home / 909,497.90-1,255,127.28-501,611.96

Finding the Fourth Proportional to 909,497.90, 1,255,127.28 and 501,611.96

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Solution

The fourth proportional to 909,497.90, 1,255,127.28 and 501,611.96 is: 692,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,497.90 : 1,255,127.28 = 501,611.96 : x
  2. Step 2: Convert to fraction form
    909,497.90/1,255,127.28 = 501,611.96/x
  3. Step 3: Cross multiply
    909,497.90x = 1,255,127.28 × 501,611.96
  4. Step 4: Simplify right side
    909,497.90x = 629,586,854,970.27
  5. Step 5: Solve for x
    x = 629,586,854,970.27/909,497.90
  6. Step 6: Final answer
    x = 692,235.63

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1.5x scale

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.