Home / 874,867.60-1,207,317.28-472,459.60

Finding the Fourth Proportional to 874,867.60, 1,207,317.28 and 472,459.60

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Solution

The fourth proportional to 874,867.60, 1,207,317.28 and 472,459.60 is: 651,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,867.60 : 1,207,317.28 = 472,459.60 : x
  2. Step 2: Convert to fraction form
    874,867.60/1,207,317.28 = 472,459.60/x
  3. Step 3: Cross multiply
    874,867.60x = 1,207,317.28 × 472,459.60
  4. Step 4: Simplify right side
    874,867.60x = 570,408,634,982.45
  5. Step 5: Solve for x
    x = 570,408,634,982.45/874,867.60
  6. Step 6: Final answer
    x = 651,994.24

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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.