Home / 1,510,358.50-2,265,612.42-431,030.14

Finding the Fourth Proportional to 1,510,358.50, 2,265,612.42 and 431,030.14

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Solution

The fourth proportional to 1,510,358.50, 2,265,612.42 and 431,030.14 is: 646,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,358.50 : 2,265,612.42 = 431,030.14 : x
  2. Step 2: Convert to fraction form
    1,510,358.50/2,265,612.42 = 431,030.14/x
  3. Step 3: Cross multiply
    1,510,358.50x = 2,265,612.42 × 431,030.14
  4. Step 4: Simplify right side
    1,510,358.50x = 976,547,238,578.34
  5. Step 5: Solve for x
    x = 976,547,238,578.34/1,510,358.50
  6. Step 6: Final answer
    x = 646,566.52

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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.