Home / 860,147.05-1,290,360.13-283,598.15

Finding the Fourth Proportional to 860,147.05, 1,290,360.13 and 283,598.15

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Solution

The fourth proportional to 860,147.05, 1,290,360.13 and 283,598.15 is: 425,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,147.05 : 1,290,360.13 = 283,598.15 : x
  2. Step 2: Convert to fraction form
    860,147.05/1,290,360.13 = 283,598.15/x
  3. Step 3: Cross multiply
    860,147.05x = 1,290,360.13 × 283,598.15
  4. Step 4: Simplify right side
    860,147.05x = 365,943,745,978.71
  5. Step 5: Solve for x
    x = 365,943,745,978.71/860,147.05
  6. Step 6: Final answer
    x = 425,443.24

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Double scale
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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.