Home / 983,549.62-1,357,427.82-553,913.74

Finding the Fourth Proportional to 983,549.62, 1,357,427.82 and 553,913.74

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Solution

The fourth proportional to 983,549.62, 1,357,427.82 and 553,913.74 is: 764,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,549.62 : 1,357,427.82 = 553,913.74 : x
  2. Step 2: Convert to fraction form
    983,549.62/1,357,427.82 = 553,913.74/x
  3. Step 3: Cross multiply
    983,549.62x = 1,357,427.82 × 553,913.74
  4. Step 4: Simplify right side
    983,549.62x = 751,897,920,556.25
  5. Step 5: Solve for x
    x = 751,897,920,556.25/983,549.62
  6. Step 6: Final answer
    x = 764,473.81

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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.