Home / 757,523.07-1,045,381.28-485,590.82

Finding the Fourth Proportional to 757,523.07, 1,045,381.28 and 485,590.82

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Solution

The fourth proportional to 757,523.07, 1,045,381.28 and 485,590.82 is: 670,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,523.07 : 1,045,381.28 = 485,590.82 : x
  2. Step 2: Convert to fraction form
    757,523.07/1,045,381.28 = 485,590.82/x
  3. Step 3: Cross multiply
    757,523.07x = 1,045,381.28 × 485,590.82
  4. Step 4: Simplify right side
    757,523.07x = 507,627,545,312.99
  5. Step 5: Solve for x
    x = 507,627,545,312.99/757,523.07
  6. Step 6: Final answer
    x = 670,114.96

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1.5x scale

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.