Home / 900,907.76-1,241,823.48-709,618.16

Finding the Fourth Proportional to 900,907.76, 1,241,823.48 and 709,618.16

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Solution

The fourth proportional to 900,907.76, 1,241,823.48 and 709,618.16 is: 978,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,907.76 : 1,241,823.48 = 709,618.16 : x
  2. Step 2: Convert to fraction form
    900,907.76/1,241,823.48 = 709,618.16/x
  3. Step 3: Cross multiply
    900,907.76x = 1,241,823.48 × 709,618.16
  4. Step 4: Simplify right side
    900,907.76x = 881,220,492,922.40
  5. Step 5: Solve for x
    x = 881,220,492,922.40/900,907.76
  6. Step 6: Final answer
    x = 978,147.30

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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.