Home / 909,887.32-1,255,648.74-501,994.12

Finding the Fourth Proportional to 909,887.32, 1,255,648.74 and 501,994.12

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Solution

The fourth proportional to 909,887.32, 1,255,648.74 and 501,994.12 is: 692,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,887.32 : 1,255,648.74 = 501,994.12 : x
  2. Step 2: Convert to fraction form
    909,887.32/1,255,648.74 = 501,994.12/x
  3. Step 3: Cross multiply
    909,887.32x = 1,255,648.74 × 501,994.12
  4. Step 4: Simplify right side
    909,887.32x = 630,328,284,265.41
  5. Step 5: Solve for x
    x = 630,328,284,265.41/909,887.32
  6. Step 6: Final answer
    x = 692,754.22

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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.