Home / 830,365.16-1,145,666.84-467,662.16

Finding the Fourth Proportional to 830,365.16, 1,145,666.84 and 467,662.16

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Solution

The fourth proportional to 830,365.16, 1,145,666.84 and 467,662.16 is: 645,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,365.16 : 1,145,666.84 = 467,662.16 : x
  2. Step 2: Convert to fraction form
    830,365.16/1,145,666.84 = 467,662.16/x
  3. Step 3: Cross multiply
    830,365.16x = 1,145,666.84 × 467,662.16
  4. Step 4: Simplify right side
    830,365.16x = 535,785,029,034.77
  5. Step 5: Solve for x
    x = 535,785,029,034.77/830,365.16
  6. Step 6: Final answer
    x = 645,240.26

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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.