Home / 977,012.90-1,465,728.34-303,079.58

Finding the Fourth Proportional to 977,012.90, 1,465,728.34 and 303,079.58

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Solution

The fourth proportional to 977,012.90, 1,465,728.34 and 303,079.58 is: 454,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,012.90 : 1,465,728.34 = 303,079.58 : x
  2. Step 2: Convert to fraction form
    977,012.90/1,465,728.34 = 303,079.58/x
  3. Step 3: Cross multiply
    977,012.90x = 1,465,728.34 × 303,079.58
  4. Step 4: Simplify right side
    977,012.90x = 444,232,329,681.30
  5. Step 5: Solve for x
    x = 444,232,329,681.30/977,012.90
  6. Step 6: Final answer
    x = 454,684.20

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1.5x scale

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.