Home / 849,837.55-1,172,860.54-634,603.94

Finding the Fourth Proportional to 849,837.55, 1,172,860.54 and 634,603.94

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Solution

The fourth proportional to 849,837.55, 1,172,860.54 and 634,603.94 is: 875,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,837.55 : 1,172,860.54 = 634,603.94 : x
  2. Step 2: Convert to fraction form
    849,837.55/1,172,860.54 = 634,603.94/x
  3. Step 3: Cross multiply
    849,837.55x = 1,172,860.54 × 634,603.94
  4. Step 4: Simplify right side
    849,837.55x = 744,301,916,581.51
  5. Step 5: Solve for x
    x = 744,301,916,581.51/849,837.55
  6. Step 6: Final answer
    x = 875,816.70

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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.