Home / 753,289.57-1,039,547.10-409,132.21

Finding the Fourth Proportional to 753,289.57, 1,039,547.10 and 409,132.21

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Solution

The fourth proportional to 753,289.57, 1,039,547.10 and 409,132.21 is: 564,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,289.57 : 1,039,547.10 = 409,132.21 : x
  2. Step 2: Convert to fraction form
    753,289.57/1,039,547.10 = 409,132.21/x
  3. Step 3: Cross multiply
    753,289.57x = 1,039,547.10 × 409,132.21
  4. Step 4: Simplify right side
    753,289.57x = 425,312,202,422.09
  5. Step 5: Solve for x
    x = 425,312,202,422.09/753,289.57
  6. Step 6: Final answer
    x = 564,606.52

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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.