Home / 349,715.10-524,572.65-320,555.10

Finding the Fourth Proportional to 349,715.10, 524,572.65 and 320,555.10

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Solution

The fourth proportional to 349,715.10, 524,572.65 and 320,555.10 is: 480,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,715.10 : 524,572.65 = 320,555.10 : x
  2. Step 2: Convert to fraction form
    349,715.10/524,572.65 = 320,555.10/x
  3. Step 3: Cross multiply
    349,715.10x = 524,572.65 × 320,555.10
  4. Step 4: Simplify right side
    349,715.10x = 168,154,438,278.02
  5. Step 5: Solve for x
    x = 168,154,438,278.02/349,715.10
  6. Step 6: Final answer
    x = 480,832.65

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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.