Home / 446,263.84-615,692.04-285,211.80

Finding the Fourth Proportional to 446,263.84, 615,692.04 and 285,211.80

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Solution

The fourth proportional to 446,263.84, 615,692.04 and 285,211.80 is: 393,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,263.84 : 615,692.04 = 285,211.80 : x
  2. Step 2: Convert to fraction form
    446,263.84/615,692.04 = 285,211.80/x
  3. Step 3: Cross multiply
    446,263.84x = 615,692.04 × 285,211.80
  4. Step 4: Simplify right side
    446,263.84x = 175,602,634,974.07
  5. Step 5: Solve for x
    x = 175,602,634,974.07/446,263.84
  6. Step 6: Final answer
    x = 393,495.10

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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.