Home / 1,020,150.14-1,530,310.88-310,184.32

Finding the Fourth Proportional to 1,020,150.14, 1,530,310.88 and 310,184.32

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Solution

The fourth proportional to 1,020,150.14, 1,530,310.88 and 310,184.32 is: 465,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,150.14 : 1,530,310.88 = 310,184.32 : x
  2. Step 2: Convert to fraction form
    1,020,150.14/1,530,310.88 = 310,184.32/x
  3. Step 3: Cross multiply
    1,020,150.14x = 1,530,310.88 × 310,184.32
  4. Step 4: Simplify right side
    1,020,150.14x = 474,678,439,701.40
  5. Step 5: Solve for x
    x = 474,678,439,701.40/1,020,150.14
  6. Step 6: Final answer
    x = 465,302.53

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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.