Home / 557,160.32-768,882.24-302,510.72

Finding the Fourth Proportional to 557,160.32, 768,882.24 and 302,510.72

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Solution

The fourth proportional to 557,160.32, 768,882.24 and 302,510.72 is: 417,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,160.32 : 768,882.24 = 302,510.72 : x
  2. Step 2: Convert to fraction form
    557,160.32/768,882.24 = 302,510.72/x
  3. Step 3: Cross multiply
    557,160.32x = 768,882.24 × 302,510.72
  4. Step 4: Simplify right side
    557,160.32x = 232,595,120,017.61
  5. Step 5: Solve for x
    x = 232,595,120,017.61/557,160.32
  6. Step 6: Final answer
    x = 417,465.34

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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.