Home / 487,012.26-672,075.36-272,152.32

Finding the Fourth Proportional to 487,012.26, 672,075.36 and 272,152.32

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Solution

The fourth proportional to 487,012.26, 672,075.36 and 272,152.32 is: 375,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,012.26 : 672,075.36 = 272,152.32 : x
  2. Step 2: Convert to fraction form
    487,012.26/672,075.36 = 272,152.32/x
  3. Step 3: Cross multiply
    487,012.26x = 672,075.36 × 272,152.32
  4. Step 4: Simplify right side
    487,012.26x = 182,906,868,438.84
  5. Step 5: Solve for x
    x = 182,906,868,438.84/487,012.26
  6. Step 6: Final answer
    x = 375,569.33

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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.