Home / 920,152.16-1,379,109.19-492,637.40

Finding the Fourth Proportional to 920,152.16, 1,379,109.19 and 492,637.40

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Solution

The fourth proportional to 920,152.16, 1,379,109.19 and 492,637.40 is: 738,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,152.16 : 1,379,109.19 = 492,637.40 : x
  2. Step 2: Convert to fraction form
    920,152.16/1,379,109.19 = 492,637.40/x
  3. Step 3: Cross multiply
    920,152.16x = 1,379,109.19 × 492,637.40
  4. Step 4: Simplify right side
    920,152.16x = 679,400,765,677.71
  5. Step 5: Solve for x
    x = 679,400,765,677.71/920,152.16
  6. Step 6: Final answer
    x = 738,356.98

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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.