Home / 830,064.48-1,145,476.80-467,489.04

Finding the Fourth Proportional to 830,064.48, 1,145,476.80 and 467,489.04

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Solution

The fourth proportional to 830,064.48, 1,145,476.80 and 467,489.04 is: 645,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,064.48 : 1,145,476.80 = 467,489.04 : x
  2. Step 2: Convert to fraction form
    830,064.48/1,145,476.80 = 467,489.04/x
  3. Step 3: Cross multiply
    830,064.48x = 1,145,476.80 × 467,489.04
  4. Step 4: Simplify right side
    830,064.48x = 535,497,849,574.27
  5. Step 5: Solve for x
    x = 535,497,849,574.27/830,064.48
  6. Step 6: Final answer
    x = 645,128.01

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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.