Home / 743,307.90-1,025,726.67-403,775.34

Finding the Fourth Proportional to 743,307.90, 1,025,726.67 and 403,775.34

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Solution

The fourth proportional to 743,307.90, 1,025,726.67 and 403,775.34 is: 557,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,307.90 : 1,025,726.67 = 403,775.34 : x
  2. Step 2: Convert to fraction form
    743,307.90/1,025,726.67 = 403,775.34/x
  3. Step 3: Cross multiply
    743,307.90x = 1,025,726.67 × 403,775.34
  4. Step 4: Simplify right side
    743,307.90x = 414,163,134,926.32
  5. Step 5: Solve for x
    x = 414,163,134,926.32/743,307.90
  6. Step 6: Final answer
    x = 557,189.20

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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.