Home / 674,346.41-1,010,838.03-290,345.74

Finding the Fourth Proportional to 674,346.41, 1,010,838.03 and 290,345.74

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Solution

The fourth proportional to 674,346.41, 1,010,838.03 and 290,345.74 is: 435,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,346.41 : 1,010,838.03 = 290,345.74 : x
  2. Step 2: Convert to fraction form
    674,346.41/1,010,838.03 = 290,345.74/x
  3. Step 3: Cross multiply
    674,346.41x = 1,010,838.03 × 290,345.74
  4. Step 4: Simplify right side
    674,346.41x = 293,492,515,840.49
  5. Step 5: Solve for x
    x = 293,492,515,840.49/674,346.41
  6. Step 6: Final answer
    x = 435,225.15

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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.