Home / 910,498.32-1,365,311.04-430,326.48

Finding the Fourth Proportional to 910,498.32, 1,365,311.04 and 430,326.48

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Solution

The fourth proportional to 910,498.32, 1,365,311.04 and 430,326.48 is: 645,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,498.32 : 1,365,311.04 = 430,326.48 : x
  2. Step 2: Convert to fraction form
    910,498.32/1,365,311.04 = 430,326.48/x
  3. Step 3: Cross multiply
    910,498.32x = 1,365,311.04 × 430,326.48
  4. Step 4: Simplify right side
    910,498.32x = 587,529,493,948.34
  5. Step 5: Solve for x
    x = 587,529,493,948.34/910,498.32
  6. Step 6: Final answer
    x = 645,283.45

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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.