Home / 370,824.60-556,236.90-315,712.20

Finding the Fourth Proportional to 370,824.60, 556,236.90 and 315,712.20

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Solution

The fourth proportional to 370,824.60, 556,236.90 and 315,712.20 is: 473,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,824.60 : 556,236.90 = 315,712.20 : x
  2. Step 2: Convert to fraction form
    370,824.60/556,236.90 = 315,712.20/x
  3. Step 3: Cross multiply
    370,824.60x = 556,236.90 × 315,712.20
  4. Step 4: Simplify right side
    370,824.60x = 175,610,775,420.18
  5. Step 5: Solve for x
    x = 175,610,775,420.18/370,824.60
  6. Step 6: Final answer
    x = 473,568.30

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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.