Home / 1,019,275.36-1,528,922.28-309,303.42

Finding the Fourth Proportional to 1,019,275.36, 1,528,922.28 and 309,303.42

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Solution

The fourth proportional to 1,019,275.36, 1,528,922.28 and 309,303.42 is: 463,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,275.36 : 1,528,922.28 = 309,303.42 : x
  2. Step 2: Convert to fraction form
    1,019,275.36/1,528,922.28 = 309,303.42/x
  3. Step 3: Cross multiply
    1,019,275.36x = 1,528,922.28 × 309,303.42
  4. Step 4: Simplify right side
    1,019,275.36x = 472,900,890,118.20
  5. Step 5: Solve for x
    x = 472,900,890,118.20/1,019,275.36
  6. Step 6: Final answer
    x = 463,957.93

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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.