Home / 719,702.49-1,079,479.55-239,878.45

Finding the Fourth Proportional to 719,702.49, 1,079,479.55 and 239,878.45

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Solution

The fourth proportional to 719,702.49, 1,079,479.55 and 239,878.45 is: 359,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,702.49 : 1,079,479.55 = 239,878.45 : x
  2. Step 2: Convert to fraction form
    719,702.49/1,079,479.55 = 239,878.45/x
  3. Step 3: Cross multiply
    719,702.49x = 1,079,479.55 × 239,878.45
  4. Step 4: Simplify right side
    719,702.49x = 258,943,875,863.30
  5. Step 5: Solve for x
    x = 258,943,875,863.30/719,702.49
  6. Step 6: Final answer
    x = 359,792.94

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Double scale
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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.