Home / 440,316.46-607,428.07-297,122.64

Finding the Fourth Proportional to 440,316.46, 607,428.07 and 297,122.64

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Solution

The fourth proportional to 440,316.46, 607,428.07 and 297,122.64 is: 409,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,316.46 : 607,428.07 = 297,122.64 : x
  2. Step 2: Convert to fraction form
    440,316.46/607,428.07 = 297,122.64/x
  3. Step 3: Cross multiply
    440,316.46x = 607,428.07 × 297,122.64
  4. Step 4: Simplify right side
    440,316.46x = 180,480,631,768.51
  5. Step 5: Solve for x
    x = 180,480,631,768.51/440,316.46
  6. Step 6: Final answer
    x = 409,888.45

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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.