Home / 745,547.44-1,028,818.92-423,214.44

Finding the Fourth Proportional to 745,547.44, 1,028,818.92 and 423,214.44

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Solution

The fourth proportional to 745,547.44, 1,028,818.92 and 423,214.44 is: 584,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,547.44 : 1,028,818.92 = 423,214.44 : x
  2. Step 2: Convert to fraction form
    745,547.44/1,028,818.92 = 423,214.44/x
  3. Step 3: Cross multiply
    745,547.44x = 1,028,818.92 × 423,214.44
  4. Step 4: Simplify right side
    745,547.44x = 435,411,023,089.21
  5. Step 5: Solve for x
    x = 435,411,023,089.21/745,547.44
  6. Step 6: Final answer
    x = 584,015.18

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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.