Home / 648,645.44-973,061.18-199,403.98

Finding the Fourth Proportional to 648,645.44, 973,061.18 and 199,403.98

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Solution

The fourth proportional to 648,645.44, 973,061.18 and 199,403.98 is: 299,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,645.44 : 973,061.18 = 199,403.98 : x
  2. Step 2: Convert to fraction form
    648,645.44/973,061.18 = 199,403.98/x
  3. Step 3: Cross multiply
    648,645.44x = 973,061.18 × 199,403.98
  4. Step 4: Simplify right side
    648,645.44x = 194,032,272,075.50
  5. Step 5: Solve for x
    x = 194,032,272,075.50/648,645.44
  6. Step 6: Final answer
    x = 299,134.57

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1.5x scale

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.