Home / 830,821.06-1,146,499.95-468,320.14

Finding the Fourth Proportional to 830,821.06, 1,146,499.95 and 468,320.14

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Solution

The fourth proportional to 830,821.06, 1,146,499.95 and 468,320.14 is: 646,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,821.06 : 1,146,499.95 = 468,320.14 : x
  2. Step 2: Convert to fraction form
    830,821.06/1,146,499.95 = 468,320.14/x
  3. Step 3: Cross multiply
    830,821.06x = 1,146,499.95 × 468,320.14
  4. Step 4: Simplify right side
    830,821.06x = 536,929,017,093.99
  5. Step 5: Solve for x
    x = 536,929,017,093.99/830,821.06
  6. Step 6: Final answer
    x = 646,263.13

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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.