Home / 832,509.09-1,149,084.56-470,145.06

Finding the Fourth Proportional to 832,509.09, 1,149,084.56 and 470,145.06

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Solution

The fourth proportional to 832,509.09, 1,149,084.56 and 470,145.06 is: 648,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,509.09 : 1,149,084.56 = 470,145.06 : x
  2. Step 2: Convert to fraction form
    832,509.09/1,149,084.56 = 470,145.06/x
  3. Step 3: Cross multiply
    832,509.09x = 1,149,084.56 × 470,145.06
  4. Step 4: Simplify right side
    832,509.09x = 540,236,430,581.64
  5. Step 5: Solve for x
    x = 540,236,430,581.64/832,509.09
  6. Step 6: Final answer
    x = 648,925.56

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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.