Home / 749,396.21-1,034,141.18-427,210.13

Finding the Fourth Proportional to 749,396.21, 1,034,141.18 and 427,210.13

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Solution

The fourth proportional to 749,396.21, 1,034,141.18 and 427,210.13 is: 589,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,396.21 : 1,034,141.18 = 427,210.13 : x
  2. Step 2: Convert to fraction form
    749,396.21/1,034,141.18 = 427,210.13/x
  3. Step 3: Cross multiply
    749,396.21x = 1,034,141.18 × 427,210.13
  4. Step 4: Simplify right side
    749,396.21x = 441,795,588,395.46
  5. Step 5: Solve for x
    x = 441,795,588,395.46/749,396.21
  6. Step 6: Final answer
    x = 589,535.40

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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.