Home / 700,319.78-1,050,807.72-345,140.04

Finding the Fourth Proportional to 700,319.78, 1,050,807.72 and 345,140.04

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Solution

The fourth proportional to 700,319.78, 1,050,807.72 and 345,140.04 is: 517,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,319.78 : 1,050,807.72 = 345,140.04 : x
  2. Step 2: Convert to fraction form
    700,319.78/1,050,807.72 = 345,140.04/x
  3. Step 3: Cross multiply
    700,319.78x = 1,050,807.72 × 345,140.04
  4. Step 4: Simplify right side
    700,319.78x = 362,675,818,513.11
  5. Step 5: Solve for x
    x = 362,675,818,513.11/700,319.78
  6. Step 6: Final answer
    x = 517,871.73

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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.