Home / 678,495.13-1,018,209.26-235,263.13

Finding the Fourth Proportional to 678,495.13, 1,018,209.26 and 235,263.13

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Solution

The fourth proportional to 678,495.13, 1,018,209.26 and 235,263.13 is: 353,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,495.13 : 1,018,209.26 = 235,263.13 : x
  2. Step 2: Convert to fraction form
    678,495.13/1,018,209.26 = 235,263.13/x
  3. Step 3: Cross multiply
    678,495.13x = 1,018,209.26 × 235,263.13
  4. Step 4: Simplify right side
    678,495.13x = 239,547,097,502.58
  5. Step 5: Solve for x
    x = 239,547,097,502.58/678,495.13
  6. Step 6: Final answer
    x = 353,056.47

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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.