Home / 803,225.16-1,203,197.49-448,428.15

Finding the Fourth Proportional to 803,225.16, 1,203,197.49 and 448,428.15

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Solution

The fourth proportional to 803,225.16, 1,203,197.49 and 448,428.15 is: 671,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,225.16 : 1,203,197.49 = 448,428.15 : x
  2. Step 2: Convert to fraction form
    803,225.16/1,203,197.49 = 448,428.15/x
  3. Step 3: Cross multiply
    803,225.16x = 1,203,197.49 × 448,428.15
  4. Step 4: Simplify right side
    803,225.16x = 539,547,624,525.34
  5. Step 5: Solve for x
    x = 539,547,624,525.34/803,225.16
  6. Step 6: Final answer
    x = 671,726.50

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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.