Home / 900,953.80-1,243,316.07-493,055.90

Finding the Fourth Proportional to 900,953.80, 1,243,316.07 and 493,055.90

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Solution

The fourth proportional to 900,953.80, 1,243,316.07 and 493,055.90 is: 680,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,953.80 : 1,243,316.07 = 493,055.90 : x
  2. Step 2: Convert to fraction form
    900,953.80/1,243,316.07 = 493,055.90/x
  3. Step 3: Cross multiply
    900,953.80x = 1,243,316.07 × 493,055.90
  4. Step 4: Simplify right side
    900,953.80x = 613,024,323,878.31
  5. Step 5: Solve for x
    x = 613,024,323,878.31/900,953.80
  6. Step 6: Final answer
    x = 680,417.05

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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.