Home / 430,721.55-594,385.62-239,730.84

Finding the Fourth Proportional to 430,721.55, 594,385.62 and 239,730.84

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Solution

The fourth proportional to 430,721.55, 594,385.62 and 239,730.84 is: 330,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,721.55 : 594,385.62 = 239,730.84 : x
  2. Step 2: Convert to fraction form
    430,721.55/594,385.62 = 239,730.84/x
  3. Step 3: Cross multiply
    430,721.55x = 594,385.62 × 239,730.84
  4. Step 4: Simplify right side
    430,721.55x = 142,492,563,966.52
  5. Step 5: Solve for x
    x = 142,492,563,966.52/430,721.55
  6. Step 6: Final answer
    x = 330,822.93

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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.