Home / 472,780.23-652,423.80-257,920.24

Finding the Fourth Proportional to 472,780.23, 652,423.80 and 257,920.24

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Solution

The fourth proportional to 472,780.23, 652,423.80 and 257,920.24 is: 355,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,780.23 : 652,423.80 = 257,920.24 : x
  2. Step 2: Convert to fraction form
    472,780.23/652,423.80 = 257,920.24/x
  3. Step 3: Cross multiply
    472,780.23x = 652,423.80 × 257,920.24
  4. Step 4: Simplify right side
    472,780.23x = 168,273,303,077.71
  5. Step 5: Solve for x
    x = 168,273,303,077.71/472,780.23
  6. Step 6: Final answer
    x = 355,922.88

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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.