Home / 849,673.94-1,172,412.77-487,031.13

Finding the Fourth Proportional to 849,673.94, 1,172,412.77 and 487,031.13

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Solution

The fourth proportional to 849,673.94, 1,172,412.77 and 487,031.13 is: 672,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,673.94 : 1,172,412.77 = 487,031.13 : x
  2. Step 2: Convert to fraction form
    849,673.94/1,172,412.77 = 487,031.13/x
  3. Step 3: Cross multiply
    849,673.94x = 1,172,412.77 × 487,031.13
  4. Step 4: Simplify right side
    849,673.94x = 571,001,513,764.37
  5. Step 5: Solve for x
    x = 571,001,513,764.37/849,673.94
  6. Step 6: Final answer
    x = 672,024.28

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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.