Home / 736,026.78-1,015,539.60-429,929.40

Finding the Fourth Proportional to 736,026.78, 1,015,539.60 and 429,929.40

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Solution

The fourth proportional to 736,026.78, 1,015,539.60 and 429,929.40 is: 593,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,026.78 : 1,015,539.60 = 429,929.40 : x
  2. Step 2: Convert to fraction form
    736,026.78/1,015,539.60 = 429,929.40/x
  3. Step 3: Cross multiply
    736,026.78x = 1,015,539.60 × 429,929.40
  4. Step 4: Simplify right side
    736,026.78x = 436,610,330,904.24
  5. Step 5: Solve for x
    x = 436,610,330,904.24/736,026.78
  6. Step 6: Final answer
    x = 593,198.97

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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.