Home / 993,430.72-1,490,397.59-283,461.27

Finding the Fourth Proportional to 993,430.72, 1,490,397.59 and 283,461.27

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Solution

The fourth proportional to 993,430.72, 1,490,397.59 and 283,461.27 is: 425,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,430.72 : 1,490,397.59 = 283,461.27 : x
  2. Step 2: Convert to fraction form
    993,430.72/1,490,397.59 = 283,461.27/x
  3. Step 3: Cross multiply
    993,430.72x = 1,490,397.59 × 283,461.27
  4. Step 4: Simplify right side
    993,430.72x = 422,469,993,666.34
  5. Step 5: Solve for x
    x = 422,469,993,666.34/993,430.72
  6. Step 6: Final answer
    x = 425,263.67

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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.