Home / 900,897.16-1,243,238.17-492,998.98

Finding the Fourth Proportional to 900,897.16, 1,243,238.17 and 492,998.98

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Solution

The fourth proportional to 900,897.16, 1,243,238.17 and 492,998.98 is: 680,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,897.16 : 1,243,238.17 = 492,998.98 : x
  2. Step 2: Convert to fraction form
    900,897.16/1,243,238.17 = 492,998.98/x
  3. Step 3: Cross multiply
    900,897.16x = 1,243,238.17 × 492,998.98
  4. Step 4: Simplify right side
    900,897.16x = 612,915,152,118.53
  5. Step 5: Solve for x
    x = 612,915,152,118.53/900,897.16
  6. Step 6: Final answer
    x = 680,338.64

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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.