Home / 935,350.70-1,403,439.15-455,312.30

Finding the Fourth Proportional to 935,350.70, 1,403,439.15 and 455,312.30

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Solution

The fourth proportional to 935,350.70, 1,403,439.15 and 455,312.30 is: 683,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,350.70 : 1,403,439.15 = 455,312.30 : x
  2. Step 2: Convert to fraction form
    935,350.70/1,403,439.15 = 455,312.30/x
  3. Step 3: Cross multiply
    935,350.70x = 1,403,439.15 × 455,312.30
  4. Step 4: Simplify right side
    935,350.70x = 639,003,107,296.55
  5. Step 5: Solve for x
    x = 639,003,107,296.55/935,350.70
  6. Step 6: Final answer
    x = 683,169.54

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1.5x scale

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.