Home / 472,815.57-652,484.75-257,955.56

Finding the Fourth Proportional to 472,815.57, 652,484.75 and 257,955.56

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Solution

The fourth proportional to 472,815.57, 652,484.75 and 257,955.56 is: 355,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,815.57 : 652,484.75 = 257,955.56 : x
  2. Step 2: Convert to fraction form
    472,815.57/652,484.75 = 257,955.56/x
  3. Step 3: Cross multiply
    472,815.57x = 652,484.75 × 257,955.56
  4. Step 4: Simplify right side
    472,815.57x = 168,312,064,525.51
  5. Step 5: Solve for x
    x = 168,312,064,525.51/472,815.57
  6. Step 6: Final answer
    x = 355,978.26

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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.