Home / 700,326.10-1,050,817.20-345,146.38

Finding the Fourth Proportional to 700,326.10, 1,050,817.20 and 345,146.38

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Solution

The fourth proportional to 700,326.10, 1,050,817.20 and 345,146.38 is: 517,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,326.10 : 1,050,817.20 = 345,146.38 : x
  2. Step 2: Convert to fraction form
    700,326.10/1,050,817.20 = 345,146.38/x
  3. Step 3: Cross multiply
    700,326.10x = 1,050,817.20 × 345,146.38
  4. Step 4: Simplify right side
    700,326.10x = 362,685,752,621.74
  5. Step 5: Solve for x
    x = 362,685,752,621.74/700,326.10
  6. Step 6: Final answer
    x = 517,881.25

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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.