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Finding the Fourth Proportional to 760,580.40, 1,049,271.40 and 458,606.64

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Solution

The fourth proportional to 760,580.40, 1,049,271.40 and 458,606.64 is: 632,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,580.40 : 1,049,271.40 = 458,606.64 : x
  2. Step 2: Convert to fraction form
    760,580.40/1,049,271.40 = 458,606.64/x
  3. Step 3: Cross multiply
    760,580.40x = 1,049,271.40 × 458,606.64
  4. Step 4: Simplify right side
    760,580.40x = 481,202,831,202.10
  5. Step 5: Solve for x
    x = 481,202,831,202.10/760,580.40
  6. Step 6: Final answer
    x = 632,678.45

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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.