Home / 438,037.48-604,490.88-247,050.28

Finding the Fourth Proportional to 438,037.48, 604,490.88 and 247,050.28

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Solution

The fourth proportional to 438,037.48, 604,490.88 and 247,050.28 is: 340,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,037.48 : 604,490.88 = 247,050.28 : x
  2. Step 2: Convert to fraction form
    438,037.48/604,490.88 = 247,050.28/x
  3. Step 3: Cross multiply
    438,037.48x = 604,490.88 × 247,050.28
  4. Step 4: Simplify right side
    438,037.48x = 149,339,641,161.45
  5. Step 5: Solve for x
    x = 149,339,641,161.45/438,037.48
  6. Step 6: Final answer
    x = 340,928.91

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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.