Home / 910,483.21-1,256,467.07-502,585.30

Finding the Fourth Proportional to 910,483.21, 1,256,467.07 and 502,585.30

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Solution

The fourth proportional to 910,483.21, 1,256,467.07 and 502,585.30 is: 693,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,483.21 : 1,256,467.07 = 502,585.30 : x
  2. Step 2: Convert to fraction form
    910,483.21/1,256,467.07 = 502,585.30/x
  3. Step 3: Cross multiply
    910,483.21x = 1,256,467.07 × 502,585.30
  4. Step 4: Simplify right side
    910,483.21x = 631,481,879,316.07
  5. Step 5: Solve for x
    x = 631,481,879,316.07/910,483.21
  6. Step 6: Final answer
    x = 693,567.85

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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.