Home / 926,045.37-1,389,121.83-357,429.69

Finding the Fourth Proportional to 926,045.37, 1,389,121.83 and 357,429.69

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Solution

The fourth proportional to 926,045.37, 1,389,121.83 and 357,429.69 is: 536,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,045.37 : 1,389,121.83 = 357,429.69 : x
  2. Step 2: Convert to fraction form
    926,045.37/1,389,121.83 = 357,429.69/x
  3. Step 3: Cross multiply
    926,045.37x = 1,389,121.83 × 357,429.69
  4. Step 4: Simplify right side
    926,045.37x = 496,513,385,069.13
  5. Step 5: Solve for x
    x = 496,513,385,069.13/926,045.37
  6. Step 6: Final answer
    x = 536,165.29

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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.