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Finding the Fourth Proportional to 557,599.40, 837,055.20 and 553,662.80

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Solution

The fourth proportional to 557,599.40, 837,055.20 and 553,662.80 is: 831,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,599.40 : 837,055.20 = 553,662.80 : x
  2. Step 2: Convert to fraction form
    557,599.40/837,055.20 = 553,662.80/x
  3. Step 3: Cross multiply
    557,599.40x = 837,055.20 × 553,662.80
  4. Step 4: Simplify right side
    557,599.40x = 463,446,325,786.56
  5. Step 5: Solve for x
    x = 463,446,325,786.56/557,599.40
  6. Step 6: Final answer
    x = 831,145.67

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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.