Home / 915,519.63-1,263,547.83-507,712.17

Finding the Fourth Proportional to 915,519.63, 1,263,547.83 and 507,712.17

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Solution

The fourth proportional to 915,519.63, 1,263,547.83 and 507,712.17 is: 700,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,519.63 : 1,263,547.83 = 507,712.17 : x
  2. Step 2: Convert to fraction form
    915,519.63/1,263,547.83 = 507,712.17/x
  3. Step 3: Cross multiply
    915,519.63x = 1,263,547.83 × 507,712.17
  4. Step 4: Simplify right side
    915,519.63x = 641,518,610,668.09
  5. Step 5: Solve for x
    x = 641,518,610,668.09/915,519.63
  6. Step 6: Final answer
    x = 700,715.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.