Home / 710,147.70-1,064,703.15-289,206.90

Finding the Fourth Proportional to 710,147.70, 1,064,703.15 and 289,206.90

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Solution

The fourth proportional to 710,147.70, 1,064,703.15 and 289,206.90 is: 433,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,147.70 : 1,064,703.15 = 289,206.90 : x
  2. Step 2: Convert to fraction form
    710,147.70/1,064,703.15 = 289,206.90/x
  3. Step 3: Cross multiply
    710,147.70x = 1,064,703.15 × 289,206.90
  4. Step 4: Simplify right side
    710,147.70x = 307,919,497,431.74
  5. Step 5: Solve for x
    x = 307,919,497,431.74/710,147.70
  6. Step 6: Final answer
    x = 433,599.23

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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.