Home / 1,019,513.10-1,529,170.93-309,547.29

Finding the Fourth Proportional to 1,019,513.10, 1,529,170.93 and 309,547.29

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Solution

The fourth proportional to 1,019,513.10, 1,529,170.93 and 309,547.29 is: 464,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,513.10 : 1,529,170.93 = 309,547.29 : x
  2. Step 2: Convert to fraction form
    1,019,513.10/1,529,170.93 = 309,547.29/x
  3. Step 3: Cross multiply
    1,019,513.10x = 1,529,170.93 × 309,547.29
  4. Step 4: Simplify right side
    1,019,513.10x = 473,350,717,328.28
  5. Step 5: Solve for x
    x = 473,350,717,328.28/1,019,513.10
  6. Step 6: Final answer
    x = 464,290.96

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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.