Home / 876,434.50-1,209,479.70-474,026.50

Finding the Fourth Proportional to 876,434.50, 1,209,479.70 and 474,026.50

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Solution

The fourth proportional to 876,434.50, 1,209,479.70 and 474,026.50 is: 654,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,434.50 : 1,209,479.70 = 474,026.50 : x
  2. Step 2: Convert to fraction form
    876,434.50/1,209,479.70 = 474,026.50/x
  3. Step 3: Cross multiply
    876,434.50x = 1,209,479.70 × 474,026.50
  4. Step 4: Simplify right side
    876,434.50x = 573,325,429,012.05
  5. Step 5: Solve for x
    x = 573,325,429,012.05/876,434.50
  6. Step 6: Final answer
    x = 654,156.62

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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.