Home / 709,795.50-1,064,168.37-429,250.38

Finding the Fourth Proportional to 709,795.50, 1,064,168.37 and 429,250.38

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Solution

The fourth proportional to 709,795.50, 1,064,168.37 and 429,250.38 is: 643,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,795.50 : 1,064,168.37 = 429,250.38 : x
  2. Step 2: Convert to fraction form
    709,795.50/1,064,168.37 = 429,250.38/x
  3. Step 3: Cross multiply
    709,795.50x = 1,064,168.37 × 429,250.38
  4. Step 4: Simplify right side
    709,795.50x = 456,794,677,206.48
  5. Step 5: Solve for x
    x = 456,794,677,206.48/709,795.50
  6. Step 6: Final answer
    x = 643,558.15

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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.