Home / 986,768.20-1,480,152.30-537,315.40

Finding the Fourth Proportional to 986,768.20, 1,480,152.30 and 537,315.40

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Solution

The fourth proportional to 986,768.20, 1,480,152.30 and 537,315.40 is: 805,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,768.20 : 1,480,152.30 = 537,315.40 : x
  2. Step 2: Convert to fraction form
    986,768.20/1,480,152.30 = 537,315.40/x
  3. Step 3: Cross multiply
    986,768.20x = 1,480,152.30 × 537,315.40
  4. Step 4: Simplify right side
    986,768.20x = 795,308,625,135.42
  5. Step 5: Solve for x
    x = 795,308,625,135.42/986,768.20
  6. Step 6: Final answer
    x = 805,973.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.