Home / 918,734.61-1,267,911.06-510,927.57

Finding the Fourth Proportional to 918,734.61, 1,267,911.06 and 510,927.57

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Solution

The fourth proportional to 918,734.61, 1,267,911.06 and 510,927.57 is: 705,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,734.61 : 1,267,911.06 = 510,927.57 : x
  2. Step 2: Convert to fraction form
    918,734.61/1,267,911.06 = 510,927.57/x
  3. Step 3: Cross multiply
    918,734.61x = 1,267,911.06 × 510,927.57
  4. Step 4: Simplify right side
    918,734.61x = 647,810,716,861.92
  5. Step 5: Solve for x
    x = 647,810,716,861.92/918,734.61
  6. Step 6: Final answer
    x = 705,111.91

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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.