Home / 314,236.04-433,648.50-290,424.20

Finding the Fourth Proportional to 314,236.04, 433,648.50 and 290,424.20

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Solution

The fourth proportional to 314,236.04, 433,648.50 and 290,424.20 is: 400,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,236.04 : 433,648.50 = 290,424.20 : x
  2. Step 2: Convert to fraction form
    314,236.04/433,648.50 = 290,424.20/x
  3. Step 3: Cross multiply
    314,236.04x = 433,648.50 × 290,424.20
  4. Step 4: Simplify right side
    314,236.04x = 125,942,018,693.70
  5. Step 5: Solve for x
    x = 125,942,018,693.70/314,236.04
  6. Step 6: Final answer
    x = 400,787.95

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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.