Home / 525,832.20-788,748.30-336,875.40

Finding the Fourth Proportional to 525,832.20, 788,748.30 and 336,875.40

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Solution

The fourth proportional to 525,832.20, 788,748.30 and 336,875.40 is: 505,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,832.20 : 788,748.30 = 336,875.40 : x
  2. Step 2: Convert to fraction form
    525,832.20/788,748.30 = 336,875.40/x
  3. Step 3: Cross multiply
    525,832.20x = 788,748.30 × 336,875.40
  4. Step 4: Simplify right side
    525,832.20x = 265,709,899,061.82
  5. Step 5: Solve for x
    x = 265,709,899,061.82/525,832.20
  6. Step 6: Final answer
    x = 505,313.10

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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.