Home / 570,623.84-787,460.72-315,974.96

Finding the Fourth Proportional to 570,623.84, 787,460.72 and 315,974.96

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Solution

The fourth proportional to 570,623.84, 787,460.72 and 315,974.96 is: 436,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,623.84 : 787,460.72 = 315,974.96 : x
  2. Step 2: Convert to fraction form
    570,623.84/787,460.72 = 315,974.96/x
  3. Step 3: Cross multiply
    570,623.84x = 787,460.72 × 315,974.96
  4. Step 4: Simplify right side
    570,623.84x = 248,817,869,503.57
  5. Step 5: Solve for x
    x = 248,817,869,503.57/570,623.84
  6. Step 6: Final answer
    x = 436,045.35

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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.