Home / 900,558.02-1,242,648.33-513,423.38

Finding the Fourth Proportional to 900,558.02, 1,242,648.33 and 513,423.38

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Solution

The fourth proportional to 900,558.02, 1,242,648.33 and 513,423.38 is: 708,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,558.02 : 1,242,648.33 = 513,423.38 : x
  2. Step 2: Convert to fraction form
    900,558.02/1,242,648.33 = 513,423.38/x
  3. Step 3: Cross multiply
    900,558.02x = 1,242,648.33 × 513,423.38
  4. Step 4: Simplify right side
    900,558.02x = 638,004,705,739.96
  5. Step 5: Solve for x
    x = 638,004,705,739.96/900,558.02
  6. Step 6: Final answer
    x = 708,454.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.