Home / 849,324.15-1,272,853.71-316,308.51

Finding the Fourth Proportional to 849,324.15, 1,272,853.71 and 316,308.51

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Solution

The fourth proportional to 849,324.15, 1,272,853.71 and 316,308.51 is: 474,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,324.15 : 1,272,853.71 = 316,308.51 : x
  2. Step 2: Convert to fraction form
    849,324.15/1,272,853.71 = 316,308.51/x
  3. Step 3: Cross multiply
    849,324.15x = 1,272,853.71 × 316,308.51
  4. Step 4: Simplify right side
    849,324.15x = 402,614,460,458.07
  5. Step 5: Solve for x
    x = 402,614,460,458.07/849,324.15
  6. Step 6: Final answer
    x = 474,040.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.