Home / 917,207.18-1,265,862.70-554,633.64

Finding the Fourth Proportional to 917,207.18, 1,265,862.70 and 554,633.64

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Solution

The fourth proportional to 917,207.18, 1,265,862.70 and 554,633.64 is: 765,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,207.18 : 1,265,862.70 = 554,633.64 : x
  2. Step 2: Convert to fraction form
    917,207.18/1,265,862.70 = 554,633.64/x
  3. Step 3: Cross multiply
    917,207.18x = 1,265,862.70 × 554,633.64
  4. Step 4: Simplify right side
    917,207.18x = 702,090,037,041.23
  5. Step 5: Solve for x
    x = 702,090,037,041.23/917,207.18
  6. Step 6: Final answer
    x = 765,465.05

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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.