Home / 830,325.04-1,145,696.16-467,671.36

Finding the Fourth Proportional to 830,325.04, 1,145,696.16 and 467,671.36

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Solution

The fourth proportional to 830,325.04, 1,145,696.16 and 467,671.36 is: 645,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,325.04 : 1,145,696.16 = 467,671.36 : x
  2. Step 2: Convert to fraction form
    830,325.04/1,145,696.16 = 467,671.36/x
  3. Step 3: Cross multiply
    830,325.04x = 1,145,696.16 × 467,671.36
  4. Step 4: Simplify right side
    830,325.04x = 535,809,281,293.98
  5. Step 5: Solve for x
    x = 535,809,281,293.98/830,325.04
  6. Step 6: Final answer
    x = 645,300.64

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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.