Home / 712,969.20-1,068,935.40-292,028.40

Finding the Fourth Proportional to 712,969.20, 1,068,935.40 and 292,028.40

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Solution

The fourth proportional to 712,969.20, 1,068,935.40 and 292,028.40 is: 437,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,969.20 : 1,068,935.40 = 292,028.40 : x
  2. Step 2: Convert to fraction form
    712,969.20/1,068,935.40 = 292,028.40/x
  3. Step 3: Cross multiply
    712,969.20x = 1,068,935.40 × 292,028.40
  4. Step 4: Simplify right side
    712,969.20x = 312,159,494,565.36
  5. Step 5: Solve for x
    x = 312,159,494,565.36/712,969.20
  6. Step 6: Final answer
    x = 437,830.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.