Home / 656,386.30-904,576.51-474,790.28

Finding the Fourth Proportional to 656,386.30, 904,576.51 and 474,790.28

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Solution

The fourth proportional to 656,386.30, 904,576.51 and 474,790.28 is: 654,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,386.30 : 904,576.51 = 474,790.28 : x
  2. Step 2: Convert to fraction form
    656,386.30/904,576.51 = 474,790.28/x
  3. Step 3: Cross multiply
    656,386.30x = 904,576.51 × 474,790.28
  4. Step 4: Simplify right side
    656,386.30x = 429,484,130,534.93
  5. Step 5: Solve for x
    x = 429,484,130,534.93/656,386.30
  6. Step 6: Final answer
    x = 654,316.11

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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.