Home / 497,549.56-686,075.83-336,124.36

Finding the Fourth Proportional to 497,549.56, 686,075.83 and 336,124.36

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Solution

The fourth proportional to 497,549.56, 686,075.83 and 336,124.36 is: 463,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,549.56 : 686,075.83 = 336,124.36 : x
  2. Step 2: Convert to fraction form
    497,549.56/686,075.83 = 336,124.36/x
  3. Step 3: Cross multiply
    497,549.56x = 686,075.83 × 336,124.36
  4. Step 4: Simplify right side
    497,549.56x = 230,606,799,270.22
  5. Step 5: Solve for x
    x = 230,606,799,270.22/497,549.56
  6. Step 6: Final answer
    x = 463,485.08

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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.