Home / 851,988.78-1,175,737.95-470,031.66

Finding the Fourth Proportional to 851,988.78, 1,175,737.95 and 470,031.66

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Solution

The fourth proportional to 851,988.78, 1,175,737.95 and 470,031.66 is: 648,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,988.78 : 1,175,737.95 = 470,031.66 : x
  2. Step 2: Convert to fraction form
    851,988.78/1,175,737.95 = 470,031.66/x
  3. Step 3: Cross multiply
    851,988.78x = 1,175,737.95 × 470,031.66
  4. Step 4: Simplify right side
    851,988.78x = 552,634,060,363.50
  5. Step 5: Solve for x
    x = 552,634,060,363.50/851,988.78
  6. Step 6: Final answer
    x = 648,640.07

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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.