Home / 849,720.63-1,172,639.04-462,561.15

Finding the Fourth Proportional to 849,720.63, 1,172,639.04 and 462,561.15

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Solution

The fourth proportional to 849,720.63, 1,172,639.04 and 462,561.15 is: 638,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,720.63 : 1,172,639.04 = 462,561.15 : x
  2. Step 2: Convert to fraction form
    849,720.63/1,172,639.04 = 462,561.15/x
  3. Step 3: Cross multiply
    849,720.63x = 1,172,639.04 × 462,561.15
  4. Step 4: Simplify right side
    849,720.63x = 542,417,262,877.30
  5. Step 5: Solve for x
    x = 542,417,262,877.30/849,720.63
  6. Step 6: Final answer
    x = 638,347.76

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1.5x scale

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.