Home / 918,279.61-1,267,170.01-510,367.89

Finding the Fourth Proportional to 918,279.61, 1,267,170.01 and 510,367.89

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Solution

The fourth proportional to 918,279.61, 1,267,170.01 and 510,367.89 is: 704,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,279.61 : 1,267,170.01 = 510,367.89 : x
  2. Step 2: Convert to fraction form
    918,279.61/1,267,170.01 = 510,367.89/x
  3. Step 3: Cross multiply
    918,279.61x = 1,267,170.01 × 510,367.89
  4. Step 4: Simplify right side
    918,279.61x = 646,722,882,776.26
  5. Step 5: Solve for x
    x = 646,722,882,776.26/918,279.61
  6. Step 6: Final answer
    x = 704,276.64

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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.