Home / 559,341.20-771,886.90-304,692.40

Finding the Fourth Proportional to 559,341.20, 771,886.90 and 304,692.40

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Solution

The fourth proportional to 559,341.20, 771,886.90 and 304,692.40 is: 420,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,341.20 : 771,886.90 = 304,692.40 : x
  2. Step 2: Convert to fraction form
    559,341.20/771,886.90 = 304,692.40/x
  3. Step 3: Cross multiply
    559,341.20x = 771,886.90 × 304,692.40
  4. Step 4: Simplify right side
    559,341.20x = 235,188,072,089.56
  5. Step 5: Solve for x
    x = 235,188,072,089.56/559,341.20
  6. Step 6: Final answer
    x = 420,473.36

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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.