Home / 581,605.08-802,657.26-355,293.24

Finding the Fourth Proportional to 581,605.08, 802,657.26 and 355,293.24

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Solution

The fourth proportional to 581,605.08, 802,657.26 and 355,293.24 is: 490,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,605.08 : 802,657.26 = 355,293.24 : x
  2. Step 2: Convert to fraction form
    581,605.08/802,657.26 = 355,293.24/x
  3. Step 3: Cross multiply
    581,605.08x = 802,657.26 × 355,293.24
  4. Step 4: Simplify right side
    581,605.08x = 285,178,698,514.92
  5. Step 5: Solve for x
    x = 285,178,698,514.92/581,605.08
  6. Step 6: Final answer
    x = 490,330.48

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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.