Home / 830,727.95-1,146,438.32-468,167.09

Finding the Fourth Proportional to 830,727.95, 1,146,438.32 and 468,167.09

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Solution

The fourth proportional to 830,727.95, 1,146,438.32 and 468,167.09 is: 646,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,727.95 : 1,146,438.32 = 468,167.09 : x
  2. Step 2: Convert to fraction form
    830,727.95/1,146,438.32 = 468,167.09/x
  3. Step 3: Cross multiply
    830,727.95x = 1,146,438.32 × 468,167.09
  4. Step 4: Simplify right side
    830,727.95x = 536,724,684,065.86
  5. Step 5: Solve for x
    x = 536,724,684,065.86/830,727.95
  6. Step 6: Final answer
    x = 646,089.60

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1.5x scale

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.