Home / 900,498.74-1,242,698.15-492,600.62

Finding the Fourth Proportional to 900,498.74, 1,242,698.15 and 492,600.62

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Solution

The fourth proportional to 900,498.74, 1,242,698.15 and 492,600.62 is: 679,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,498.74 : 1,242,698.15 = 492,600.62 : x
  2. Step 2: Convert to fraction form
    900,498.74/1,242,698.15 = 492,600.62/x
  3. Step 3: Cross multiply
    900,498.74x = 1,242,698.15 × 492,600.62
  4. Step 4: Simplify right side
    900,498.74x = 612,153,883,501.10
  5. Step 5: Solve for x
    x = 612,153,883,501.10/900,498.74
  6. Step 6: Final answer
    x = 679,794.27

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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.