Home / 602,946.52-831,895.86-388,210.84

Finding the Fourth Proportional to 602,946.52, 831,895.86 and 388,210.84

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Solution

The fourth proportional to 602,946.52, 831,895.86 and 388,210.84 is: 535,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,946.52 : 831,895.86 = 388,210.84 : x
  2. Step 2: Convert to fraction form
    602,946.52/831,895.86 = 388,210.84/x
  3. Step 3: Cross multiply
    602,946.52x = 831,895.86 × 388,210.84
  4. Step 4: Simplify right side
    602,946.52x = 322,950,990,603.12
  5. Step 5: Solve for x
    x = 322,950,990,603.12/602,946.52
  6. Step 6: Final answer
    x = 535,621.29

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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.