Home / 974,769.60-1,461,376.80-413,342.40

Finding the Fourth Proportional to 974,769.60, 1,461,376.80 and 413,342.40

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Solution

The fourth proportional to 974,769.60, 1,461,376.80 and 413,342.40 is: 619,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,769.60 : 1,461,376.80 = 413,342.40 : x
  2. Step 2: Convert to fraction form
    974,769.60/1,461,376.80 = 413,342.40/x
  3. Step 3: Cross multiply
    974,769.60x = 1,461,376.80 × 413,342.40
  4. Step 4: Simplify right side
    974,769.60x = 604,048,993,816.32
  5. Step 5: Solve for x
    x = 604,048,993,816.32/974,769.60
  6. Step 6: Final answer
    x = 619,683.87

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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.