Home / 975,305.08-1,462,987.32-265,348.72

Finding the Fourth Proportional to 975,305.08, 1,462,987.32 and 265,348.72

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Solution

The fourth proportional to 975,305.08, 1,462,987.32 and 265,348.72 is: 398,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,305.08 : 1,462,987.32 = 265,348.72 : x
  2. Step 2: Convert to fraction form
    975,305.08/1,462,987.32 = 265,348.72/x
  3. Step 3: Cross multiply
    975,305.08x = 1,462,987.32 × 265,348.72
  4. Step 4: Simplify right side
    975,305.08x = 388,201,812,738.23
  5. Step 5: Solve for x
    x = 388,201,812,738.23/975,305.08
  6. Step 6: Final answer
    x = 398,031.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.