Home / 707,423.40-1,061,572.56-286,702.92

Finding the Fourth Proportional to 707,423.40, 1,061,572.56 and 286,702.92

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Solution

The fourth proportional to 707,423.40, 1,061,572.56 and 286,702.92 is: 430,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,423.40 : 1,061,572.56 = 286,702.92 : x
  2. Step 2: Convert to fraction form
    707,423.40/1,061,572.56 = 286,702.92/x
  3. Step 3: Cross multiply
    707,423.40x = 1,061,572.56 × 286,702.92
  4. Step 4: Simplify right side
    707,423.40x = 304,355,952,743.88
  5. Step 5: Solve for x
    x = 304,355,952,743.88/707,423.40
  6. Step 6: Final answer
    x = 430,231.67

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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.