Home / 380,837.16-571,492.98-345,362.58

Finding the Fourth Proportional to 380,837.16, 571,492.98 and 345,362.58

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Solution

The fourth proportional to 380,837.16, 571,492.98 and 345,362.58 is: 518,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,837.16 : 571,492.98 = 345,362.58 : x
  2. Step 2: Convert to fraction form
    380,837.16/571,492.98 = 345,362.58/x
  3. Step 3: Cross multiply
    380,837.16x = 571,492.98 × 345,362.58
  4. Step 4: Simplify right side
    380,837.16x = 197,372,290,024.69
  5. Step 5: Solve for x
    x = 197,372,290,024.69/380,837.16
  6. Step 6: Final answer
    x = 518,259.01

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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.