Home / 989,780.04-1,484,669.52-358,692.84

Finding the Fourth Proportional to 989,780.04, 1,484,669.52 and 358,692.84

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Solution

The fourth proportional to 989,780.04, 1,484,669.52 and 358,692.84 is: 538,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,780.04 : 1,484,669.52 = 358,692.84 : x
  2. Step 2: Convert to fraction form
    989,780.04/1,484,669.52 = 358,692.84/x
  3. Step 3: Cross multiply
    989,780.04x = 1,484,669.52 × 358,692.84
  4. Step 4: Simplify right side
    989,780.04x = 532,540,326,590.24
  5. Step 5: Solve for x
    x = 532,540,326,590.24/989,780.04
  6. Step 6: Final answer
    x = 538,039.06

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.