Home / 776,561.12-1,071,802.98-470,804.16

Finding the Fourth Proportional to 776,561.12, 1,071,802.98 and 470,804.16

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Solution

The fourth proportional to 776,561.12, 1,071,802.98 and 470,804.16 is: 649,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,561.12 : 1,071,802.98 = 470,804.16 : x
  2. Step 2: Convert to fraction form
    776,561.12/1,071,802.98 = 470,804.16/x
  3. Step 3: Cross multiply
    776,561.12x = 1,071,802.98 × 470,804.16
  4. Step 4: Simplify right side
    776,561.12x = 504,609,301,684.40
  5. Step 5: Solve for x
    x = 504,609,301,684.40/776,561.12
  6. Step 6: Final answer
    x = 649,799.85

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Double scale
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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.