Home / 900,211.49-1,242,252.14-513,110.87

Finding the Fourth Proportional to 900,211.49, 1,242,252.14 and 513,110.87

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Solution

The fourth proportional to 900,211.49, 1,242,252.14 and 513,110.87 is: 708,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,211.49 : 1,242,252.14 = 513,110.87 : x
  2. Step 2: Convert to fraction form
    900,211.49/1,242,252.14 = 513,110.87/x
  3. Step 3: Cross multiply
    900,211.49x = 1,242,252.14 × 513,110.87
  4. Step 4: Simplify right side
    900,211.49x = 637,413,067,537.95
  5. Step 5: Solve for x
    x = 637,413,067,537.95/900,211.49
  6. Step 6: Final answer
    x = 708,070.36

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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.