Home / 888,157.78-1,225,627.41-506,307.58

Finding the Fourth Proportional to 888,157.78, 1,225,627.41 and 506,307.58

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Solution

The fourth proportional to 888,157.78, 1,225,627.41 and 506,307.58 is: 698,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,157.78 : 1,225,627.41 = 506,307.58 : x
  2. Step 2: Convert to fraction form
    888,157.78/1,225,627.41 = 506,307.58/x
  3. Step 3: Cross multiply
    888,157.78x = 1,225,627.41 × 506,307.58
  4. Step 4: Simplify right side
    888,157.78x = 620,544,447,938.77
  5. Step 5: Solve for x
    x = 620,544,447,938.77/888,157.78
  6. Step 6: Final answer
    x = 698,687.17

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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.