Home / 536,038.72-738,986.16-438,903.52

Finding the Fourth Proportional to 536,038.72, 738,986.16 and 438,903.52

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Solution

The fourth proportional to 536,038.72, 738,986.16 and 438,903.52 is: 605,075.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,038.72 : 738,986.16 = 438,903.52 : x
  2. Step 2: Convert to fraction form
    536,038.72/738,986.16 = 438,903.52/x
  3. Step 3: Cross multiply
    536,038.72x = 738,986.16 × 438,903.52
  4. Step 4: Simplify right side
    536,038.72x = 324,343,626,855.28
  5. Step 5: Solve for x
    x = 324,343,626,855.28/536,038.72
  6. Step 6: Final answer
    x = 605,075.00

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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.