Home / 652,163.90-977,079.45-402,554.30

Finding the Fourth Proportional to 652,163.90, 977,079.45 and 402,554.30

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Solution

The fourth proportional to 652,163.90, 977,079.45 and 402,554.30 is: 603,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,163.90 : 977,079.45 = 402,554.30 : x
  2. Step 2: Convert to fraction form
    652,163.90/977,079.45 = 402,554.30/x
  3. Step 3: Cross multiply
    652,163.90x = 977,079.45 × 402,554.30
  4. Step 4: Simplify right side
    652,163.90x = 393,327,534,039.14
  5. Step 5: Solve for x
    x = 393,327,534,039.14/652,163.90
  6. Step 6: Final answer
    x = 603,111.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.