Home / 753,429.41-1,039,318.48-477,281.54

Finding the Fourth Proportional to 753,429.41, 1,039,318.48 and 477,281.54

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Solution

The fourth proportional to 753,429.41, 1,039,318.48 and 477,281.54 is: 658,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,429.41 : 1,039,318.48 = 477,281.54 : x
  2. Step 2: Convert to fraction form
    753,429.41/1,039,318.48 = 477,281.54/x
  3. Step 3: Cross multiply
    753,429.41x = 1,039,318.48 × 477,281.54
  4. Step 4: Simplify right side
    753,429.41x = 496,047,522,298.45
  5. Step 5: Solve for x
    x = 496,047,522,298.45/753,429.41
  6. Step 6: Final answer
    x = 658,386.19

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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.