Home / 743,338.71-1,025,720.28-437,347.74

Finding the Fourth Proportional to 743,338.71, 1,025,720.28 and 437,347.74

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Solution

The fourth proportional to 743,338.71, 1,025,720.28 and 437,347.74 is: 603,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,338.71 : 1,025,720.28 = 437,347.74 : x
  2. Step 2: Convert to fraction form
    743,338.71/1,025,720.28 = 437,347.74/x
  3. Step 3: Cross multiply
    743,338.71x = 1,025,720.28 × 437,347.74
  4. Step 4: Simplify right side
    743,338.71x = 448,596,446,330.17
  5. Step 5: Solve for x
    x = 448,596,446,330.17/743,338.71
  6. Step 6: Final answer
    x = 603,488.61

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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.