Home / 849,984.35-1,172,981.18-462,804.35

Finding the Fourth Proportional to 849,984.35, 1,172,981.18 and 462,804.35

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Solution

The fourth proportional to 849,984.35, 1,172,981.18 and 462,804.35 is: 638,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,984.35 : 1,172,981.18 = 462,804.35 : x
  2. Step 2: Convert to fraction form
    849,984.35/1,172,981.18 = 462,804.35/x
  3. Step 3: Cross multiply
    849,984.35x = 1,172,981.18 × 462,804.35
  4. Step 4: Simplify right side
    849,984.35x = 542,860,787,864.24
  5. Step 5: Solve for x
    x = 542,860,787,864.24/849,984.35
  6. Step 6: Final answer
    x = 638,671.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.