Home / 899,947.13-1,241,929.26-492,075.32

Finding the Fourth Proportional to 899,947.13, 1,241,929.26 and 492,075.32

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Solution

The fourth proportional to 899,947.13, 1,241,929.26 and 492,075.32 is: 679,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,947.13 : 1,241,929.26 = 492,075.32 : x
  2. Step 2: Convert to fraction form
    899,947.13/1,241,929.26 = 492,075.32/x
  3. Step 3: Cross multiply
    899,947.13x = 1,241,929.26 × 492,075.32
  4. Step 4: Simplify right side
    899,947.13x = 611,122,731,822.22
  5. Step 5: Solve for x
    x = 611,122,731,822.22/899,947.13
  6. Step 6: Final answer
    x = 679,065.15

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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.