Home / 424,839.78-586,210.29-243,518.34

Finding the Fourth Proportional to 424,839.78, 586,210.29 and 243,518.34

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Solution

The fourth proportional to 424,839.78, 586,210.29 and 243,518.34 is: 336,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,839.78 : 586,210.29 = 243,518.34 : x
  2. Step 2: Convert to fraction form
    424,839.78/586,210.29 = 243,518.34/x
  3. Step 3: Cross multiply
    424,839.78x = 586,210.29 × 243,518.34
  4. Step 4: Simplify right side
    424,839.78x = 142,752,956,711.72
  5. Step 5: Solve for x
    x = 142,752,956,711.72/424,839.78
  6. Step 6: Final answer
    x = 336,015.98

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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.