Home / 743,113.48-1,025,499.54-403,587.40

Finding the Fourth Proportional to 743,113.48, 1,025,499.54 and 403,587.40

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Solution

The fourth proportional to 743,113.48, 1,025,499.54 and 403,587.40 is: 556,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,113.48 : 1,025,499.54 = 403,587.40 : x
  2. Step 2: Convert to fraction form
    743,113.48/1,025,499.54 = 403,587.40/x
  3. Step 3: Cross multiply
    743,113.48x = 1,025,499.54 × 403,587.40
  4. Step 4: Simplify right side
    743,113.48x = 413,878,693,049.80
  5. Step 5: Solve for x
    x = 413,878,693,049.80/743,113.48
  6. Step 6: Final answer
    x = 556,952.21

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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.