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Finding the Fourth Proportional to 710,602.30, 1,064,737.05 and 605,626.30

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Solution

The fourth proportional to 710,602.30, 1,064,737.05 and 605,626.30 is: 907,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,602.30 : 1,064,737.05 = 605,626.30 : x
  2. Step 2: Convert to fraction form
    710,602.30/1,064,737.05 = 605,626.30/x
  3. Step 3: Cross multiply
    710,602.30x = 1,064,737.05 × 605,626.30
  4. Step 4: Simplify right side
    710,602.30x = 644,832,760,064.42
  5. Step 5: Solve for x
    x = 644,832,760,064.42/710,602.30
  6. Step 6: Final answer
    x = 907,445.36

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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.