Home / 742,384.38-1,113,485.04-316,091.64

Finding the Fourth Proportional to 742,384.38, 1,113,485.04 and 316,091.64

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Solution

The fourth proportional to 742,384.38, 1,113,485.04 and 316,091.64 is: 474,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,384.38 : 1,113,485.04 = 316,091.64 : x
  2. Step 2: Convert to fraction form
    742,384.38/1,113,485.04 = 316,091.64/x
  3. Step 3: Cross multiply
    742,384.38x = 1,113,485.04 × 316,091.64
  4. Step 4: Simplify right side
    742,384.38x = 351,963,312,409.07
  5. Step 5: Solve for x
    x = 351,963,312,409.07/742,384.38
  6. Step 6: Final answer
    x = 474,098.49

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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.