Home / 559,342.20-771,888.28-304,693.40

Finding the Fourth Proportional to 559,342.20, 771,888.28 and 304,693.40

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Solution

The fourth proportional to 559,342.20, 771,888.28 and 304,693.40 is: 420,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,342.20 : 771,888.28 = 304,693.40 : x
  2. Step 2: Convert to fraction form
    559,342.20/771,888.28 = 304,693.40/x
  3. Step 3: Cross multiply
    559,342.20x = 771,888.28 × 304,693.40
  4. Step 4: Simplify right side
    559,342.20x = 235,189,264,453.35
  5. Step 5: Solve for x
    x = 235,189,264,453.35/559,342.20
  6. Step 6: Final answer
    x = 420,474.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.