Home / 830,727.57-1,146,437.79-468,166.71

Finding the Fourth Proportional to 830,727.57, 1,146,437.79 and 468,166.71

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Solution

The fourth proportional to 830,727.57, 1,146,437.79 and 468,166.71 is: 646,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,727.57 : 1,146,437.79 = 468,166.71 : x
  2. Step 2: Convert to fraction form
    830,727.57/1,146,437.79 = 468,166.71/x
  3. Step 3: Cross multiply
    830,727.57x = 1,146,437.79 × 468,166.71
  4. Step 4: Simplify right side
    830,727.57x = 536,724,008,363.97
  5. Step 5: Solve for x
    x = 536,724,008,363.97/830,727.57
  6. Step 6: Final answer
    x = 646,089.08

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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.