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Finding the Fourth Proportional to 635,767.36, 877,055.80 and 463,315.60

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Solution

The fourth proportional to 635,767.36, 877,055.80 and 463,315.60 is: 639,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,767.36 : 877,055.80 = 463,315.60 : x
  2. Step 2: Convert to fraction form
    635,767.36/877,055.80 = 463,315.60/x
  3. Step 3: Cross multiply
    635,767.36x = 877,055.80 × 463,315.60
  4. Step 4: Simplify right side
    635,767.36x = 406,353,634,210.48
  5. Step 5: Solve for x
    x = 406,353,634,210.48/635,767.36
  6. Step 6: Final answer
    x = 639,154.60

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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.