Home / 688,570.16-1,033,021.28-239,225.63

Finding the Fourth Proportional to 688,570.16, 1,033,021.28 and 239,225.63

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Solution

The fourth proportional to 688,570.16, 1,033,021.28 and 239,225.63 is: 358,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,570.16 : 1,033,021.28 = 239,225.63 : x
  2. Step 2: Convert to fraction form
    688,570.16/1,033,021.28 = 239,225.63/x
  3. Step 3: Cross multiply
    688,570.16x = 1,033,021.28 × 239,225.63
  4. Step 4: Simplify right side
    688,570.16x = 247,125,161,944.36
  5. Step 5: Solve for x
    x = 247,125,161,944.36/688,570.16
  6. Step 6: Final answer
    x = 358,896.13

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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.