Home / 916,063.12-1,264,174.72-508,191.64

Finding the Fourth Proportional to 916,063.12, 1,264,174.72 and 508,191.64

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Solution

The fourth proportional to 916,063.12, 1,264,174.72 and 508,191.64 is: 701,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,063.12 : 1,264,174.72 = 508,191.64 : x
  2. Step 2: Convert to fraction form
    916,063.12/1,264,174.72 = 508,191.64/x
  3. Step 3: Cross multiply
    916,063.12x = 1,264,174.72 × 508,191.64
  4. Step 4: Simplify right side
    916,063.12x = 642,443,024,203.34
  5. Step 5: Solve for x
    x = 642,443,024,203.34/916,063.12
  6. Step 6: Final answer
    x = 701,308.69

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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.