Home / 744,947.40-1,028,048.94-405,437.16

Finding the Fourth Proportional to 744,947.40, 1,028,048.94 and 405,437.16

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Solution

The fourth proportional to 744,947.40, 1,028,048.94 and 405,437.16 is: 559,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,947.40 : 1,028,048.94 = 405,437.16 : x
  2. Step 2: Convert to fraction form
    744,947.40/1,028,048.94 = 405,437.16/x
  3. Step 3: Cross multiply
    744,947.40x = 1,028,048.94 × 405,437.16
  4. Step 4: Simplify right side
    744,947.40x = 416,809,242,574.61
  5. Step 5: Solve for x
    x = 416,809,242,574.61/744,947.40
  6. Step 6: Final answer
    x = 559,515.00

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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.