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Finding the Fourth Proportional to 608,737.88, 840,061.15 and 340,465.88

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Solution

The fourth proportional to 608,737.88, 840,061.15 and 340,465.88 is: 469,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,737.88 : 840,061.15 = 340,465.88 : x
  2. Step 2: Convert to fraction form
    608,737.88/840,061.15 = 340,465.88/x
  3. Step 3: Cross multiply
    608,737.88x = 840,061.15 × 340,465.88
  4. Step 4: Simplify right side
    608,737.88x = 286,012,153,637.09
  5. Step 5: Solve for x
    x = 286,012,153,637.09/608,737.88
  6. Step 6: Final answer
    x = 469,844.52

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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.