Home / 839,130.48-1,259,793.40-498,196.40

Finding the Fourth Proportional to 839,130.48, 1,259,793.40 and 498,196.40

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Solution

The fourth proportional to 839,130.48, 1,259,793.40 and 498,196.40 is: 747,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,130.48 : 1,259,793.40 = 498,196.40 : x
  2. Step 2: Convert to fraction form
    839,130.48/1,259,793.40 = 498,196.40/x
  3. Step 3: Cross multiply
    839,130.48x = 1,259,793.40 × 498,196.40
  4. Step 4: Simplify right side
    839,130.48x = 627,624,536,623.76
  5. Step 5: Solve for x
    x = 627,624,536,623.76/839,130.48
  6. Step 6: Final answer
    x = 747,946.30

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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.