Home / 802,397.37-1,107,421.83-496,572.33

Finding the Fourth Proportional to 802,397.37, 1,107,421.83 and 496,572.33

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Solution

The fourth proportional to 802,397.37, 1,107,421.83 and 496,572.33 is: 685,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,397.37 : 1,107,421.83 = 496,572.33 : x
  2. Step 2: Convert to fraction form
    802,397.37/1,107,421.83 = 496,572.33/x
  3. Step 3: Cross multiply
    802,397.37x = 1,107,421.83 × 496,572.33
  4. Step 4: Simplify right side
    802,397.37x = 549,915,038,415.96
  5. Step 5: Solve for x
    x = 549,915,038,415.96/802,397.37
  6. Step 6: Final answer
    x = 685,340.03

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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.