Home / 912,547.63-1,368,364.60-281,379.43

Finding the Fourth Proportional to 912,547.63, 1,368,364.60 and 281,379.43

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Solution

The fourth proportional to 912,547.63, 1,368,364.60 and 281,379.43 is: 421,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,547.63 : 1,368,364.60 = 281,379.43 : x
  2. Step 2: Convert to fraction form
    912,547.63/1,368,364.60 = 281,379.43/x
  3. Step 3: Cross multiply
    912,547.63x = 1,368,364.60 × 281,379.43
  4. Step 4: Simplify right side
    912,547.63x = 385,029,653,242.36
  5. Step 5: Solve for x
    x = 385,029,653,242.36/912,547.63
  6. Step 6: Final answer
    x = 421,928.28

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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.