Home / 964,389.40-1,330,888.98-534,709.60

Finding the Fourth Proportional to 964,389.40, 1,330,888.98 and 534,709.60

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Solution

The fourth proportional to 964,389.40, 1,330,888.98 and 534,709.60 is: 737,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,389.40 : 1,330,888.98 = 534,709.60 : x
  2. Step 2: Convert to fraction form
    964,389.40/1,330,888.98 = 534,709.60/x
  3. Step 3: Cross multiply
    964,389.40x = 1,330,888.98 × 534,709.60
  4. Step 4: Simplify right side
    964,389.40x = 711,639,114,140.21
  5. Step 5: Solve for x
    x = 711,639,114,140.21/964,389.40
  6. Step 6: Final answer
    x = 737,916.77

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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.