Home / 700,319.53-1,050,807.35-345,139.80

Finding the Fourth Proportional to 700,319.53, 1,050,807.35 and 345,139.80

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Solution

The fourth proportional to 700,319.53, 1,050,807.35 and 345,139.80 is: 517,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,319.53 : 1,050,807.35 = 345,139.80 : x
  2. Step 2: Convert to fraction form
    700,319.53/1,050,807.35 = 345,139.80/x
  3. Step 3: Cross multiply
    700,319.53x = 1,050,807.35 × 345,139.80
  4. Step 4: Simplify right side
    700,319.53x = 362,675,438,617.53
  5. Step 5: Solve for x
    x = 362,675,438,617.53/700,319.53
  6. Step 6: Final answer
    x = 517,871.38

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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.