Home / 860,148.05-1,290,361.63-283,599.15

Finding the Fourth Proportional to 860,148.05, 1,290,361.63 and 283,599.15

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Solution

The fourth proportional to 860,148.05, 1,290,361.63 and 283,599.15 is: 425,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,148.05 : 1,290,361.63 = 283,599.15 : x
  2. Step 2: Convert to fraction form
    860,148.05/1,290,361.63 = 283,599.15/x
  3. Step 3: Cross multiply
    860,148.05x = 1,290,361.63 × 283,599.15
  4. Step 4: Simplify right side
    860,148.05x = 365,945,461,460.62
  5. Step 5: Solve for x
    x = 365,945,461,460.62/860,148.05
  6. Step 6: Final answer
    x = 425,444.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.