Home / 829,390.40-1,144,273.44-502,808.72

Finding the Fourth Proportional to 829,390.40, 1,144,273.44 and 502,808.72

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Solution

The fourth proportional to 829,390.40, 1,144,273.44 and 502,808.72 is: 693,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,390.40 : 1,144,273.44 = 502,808.72 : x
  2. Step 2: Convert to fraction form
    829,390.40/1,144,273.44 = 502,808.72/x
  3. Step 3: Cross multiply
    829,390.40x = 1,144,273.44 × 502,808.72
  4. Step 4: Simplify right side
    829,390.40x = 575,350,663,696.40
  5. Step 5: Solve for x
    x = 575,350,663,696.40/829,390.40
  6. Step 6: Final answer
    x = 693,703.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.