Home / 670,335.34-1,004,156.71-310,001.12

Finding the Fourth Proportional to 670,335.34, 1,004,156.71 and 310,001.12

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Solution

The fourth proportional to 670,335.34, 1,004,156.71 and 310,001.12 is: 464,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,335.34 : 1,004,156.71 = 310,001.12 : x
  2. Step 2: Convert to fraction form
    670,335.34/1,004,156.71 = 310,001.12/x
  3. Step 3: Cross multiply
    670,335.34x = 1,004,156.71 × 310,001.12
  4. Step 4: Simplify right side
    670,335.34x = 311,289,703,407.63
  5. Step 5: Solve for x
    x = 311,289,703,407.63/670,335.34
  6. Step 6: Final answer
    x = 464,379.07

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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.