Home / 918,927.96-1,267,934.76-536,880.94

Finding the Fourth Proportional to 918,927.96, 1,267,934.76 and 536,880.94

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Solution

The fourth proportional to 918,927.96, 1,267,934.76 and 536,880.94 is: 740,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,927.96 : 1,267,934.76 = 536,880.94 : x
  2. Step 2: Convert to fraction form
    918,927.96/1,267,934.76 = 536,880.94/x
  3. Step 3: Cross multiply
    918,927.96x = 1,267,934.76 × 536,880.94
  4. Step 4: Simplify right side
    918,927.96x = 680,730,005,807.47
  5. Step 5: Solve for x
    x = 680,730,005,807.47/918,927.96
  6. Step 6: Final answer
    x = 740,787.13

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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.