Home / 910,031.25-1,255,843.13-507,623.25

Finding the Fourth Proportional to 910,031.25, 1,255,843.13 and 507,623.25

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Solution

The fourth proportional to 910,031.25, 1,255,843.13 and 507,623.25 is: 700,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,031.25 : 1,255,843.13 = 507,623.25 : x
  2. Step 2: Convert to fraction form
    910,031.25/1,255,843.13 = 507,623.25/x
  3. Step 3: Cross multiply
    910,031.25x = 1,255,843.13 × 507,623.25
  4. Step 4: Simplify right side
    910,031.25x = 637,495,171,140.77
  5. Step 5: Solve for x
    x = 637,495,171,140.77/910,031.25
  6. Step 6: Final answer
    x = 700,520.09

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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.