Home / 849,677.19-1,172,417.32-487,034.31

Finding the Fourth Proportional to 849,677.19, 1,172,417.32 and 487,034.31

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Solution

The fourth proportional to 849,677.19, 1,172,417.32 and 487,034.31 is: 672,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,677.19 : 1,172,417.32 = 487,034.31 : x
  2. Step 2: Convert to fraction form
    849,677.19/1,172,417.32 = 487,034.31/x
  3. Step 3: Cross multiply
    849,677.19x = 1,172,417.32 × 487,034.31
  4. Step 4: Simplify right side
    849,677.19x = 571,007,460,478.25
  5. Step 5: Solve for x
    x = 571,007,460,478.25/849,677.19
  6. Step 6: Final answer
    x = 672,028.70

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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.