Home / 909,885.87-1,255,598.67-496,398.03

Finding the Fourth Proportional to 909,885.87, 1,255,598.67 and 496,398.03

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Solution

The fourth proportional to 909,885.87, 1,255,598.67 and 496,398.03 is: 685,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,885.87 : 1,255,598.67 = 496,398.03 : x
  2. Step 2: Convert to fraction form
    909,885.87/1,255,598.67 = 496,398.03/x
  3. Step 3: Cross multiply
    909,885.87x = 1,255,598.67 × 496,398.03
  4. Step 4: Simplify right side
    909,885.87x = 623,276,706,258.62
  5. Step 5: Solve for x
    x = 623,276,706,258.62/909,885.87
  6. Step 6: Final answer
    x = 685,005.37

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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.