Home / 918,312.29-1,377,482.27-349,724.82

Finding the Fourth Proportional to 918,312.29, 1,377,482.27 and 349,724.82

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Solution

The fourth proportional to 918,312.29, 1,377,482.27 and 349,724.82 is: 524,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,312.29 : 1,377,482.27 = 349,724.82 : x
  2. Step 2: Convert to fraction form
    918,312.29/1,377,482.27 = 349,724.82/x
  3. Step 3: Cross multiply
    918,312.29x = 1,377,482.27 × 349,724.82
  4. Step 4: Simplify right side
    918,312.29x = 481,739,737,180.32
  5. Step 5: Solve for x
    x = 481,739,737,180.32/918,312.29
  6. Step 6: Final answer
    x = 524,592.50

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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.