Home / 553,551.20-829,808.40-433,541.60

Finding the Fourth Proportional to 553,551.20, 829,808.40 and 433,541.60

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Solution

The fourth proportional to 553,551.20, 829,808.40 and 433,541.60 is: 649,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,551.20 : 829,808.40 = 433,541.60 : x
  2. Step 2: Convert to fraction form
    553,551.20/829,808.40 = 433,541.60/x
  3. Step 3: Cross multiply
    553,551.20x = 829,808.40 × 433,541.60
  4. Step 4: Simplify right side
    553,551.20x = 359,756,461,429.44
  5. Step 5: Solve for x
    x = 359,756,461,429.44/553,551.20
  6. Step 6: Final answer
    x = 649,906.39

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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.