Home / 849,484.40-1,274,448.80-317,010.16

Finding the Fourth Proportional to 849,484.40, 1,274,448.80 and 317,010.16

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Solution

The fourth proportional to 849,484.40, 1,274,448.80 and 317,010.16 is: 475,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,484.40 : 1,274,448.80 = 317,010.16 : x
  2. Step 2: Convert to fraction form
    849,484.40/1,274,448.80 = 317,010.16/x
  3. Step 3: Cross multiply
    849,484.40x = 1,274,448.80 × 317,010.16
  4. Step 4: Simplify right side
    849,484.40x = 404,013,217,999.81
  5. Step 5: Solve for x
    x = 404,013,217,999.81/849,484.40
  6. Step 6: Final answer
    x = 475,598.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.