Home / 776,560.12-1,071,801.60-470,803.16

Finding the Fourth Proportional to 776,560.12, 1,071,801.60 and 470,803.16

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Solution

The fourth proportional to 776,560.12, 1,071,801.60 and 470,803.16 is: 649,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,560.12 : 1,071,801.60 = 470,803.16 : x
  2. Step 2: Convert to fraction form
    776,560.12/1,071,801.60 = 470,803.16/x
  3. Step 3: Cross multiply
    776,560.12x = 1,071,801.60 × 470,803.16
  4. Step 4: Simplify right side
    776,560.12x = 504,607,580,173.06
  5. Step 5: Solve for x
    x = 504,607,580,173.06/776,560.12
  6. Step 6: Final answer
    x = 649,798.47

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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.