Home / 918,706.86-1,267,872.93-510,899.94

Finding the Fourth Proportional to 918,706.86, 1,267,872.93 and 510,899.94

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Solution

The fourth proportional to 918,706.86, 1,267,872.93 and 510,899.94 is: 705,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,706.86 : 1,267,872.93 = 510,899.94 : x
  2. Step 2: Convert to fraction form
    918,706.86/1,267,872.93 = 510,899.94/x
  3. Step 3: Cross multiply
    918,706.86x = 1,267,872.93 × 510,899.94
  4. Step 4: Simplify right side
    918,706.86x = 647,756,203,864.62
  5. Step 5: Solve for x
    x = 647,756,203,864.62/918,706.86
  6. Step 6: Final answer
    x = 705,073.87

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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.