Home / 849,684.06-1,172,426.79-487,041.18

Finding the Fourth Proportional to 849,684.06, 1,172,426.79 and 487,041.18

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Solution

The fourth proportional to 849,684.06, 1,172,426.79 and 487,041.18 is: 672,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,684.06 : 1,172,426.79 = 487,041.18 : x
  2. Step 2: Convert to fraction form
    849,684.06/1,172,426.79 = 487,041.18/x
  3. Step 3: Cross multiply
    849,684.06x = 1,172,426.79 × 487,041.18
  4. Step 4: Simplify right side
    849,684.06x = 571,020,127,265.21
  5. Step 5: Solve for x
    x = 571,020,127,265.21/849,684.06
  6. Step 6: Final answer
    x = 672,038.18

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Double scale
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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.