Home / 514,009.48-709,309.74-284,575.36

Finding the Fourth Proportional to 514,009.48, 709,309.74 and 284,575.36

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Solution

The fourth proportional to 514,009.48, 709,309.74 and 284,575.36 is: 392,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,009.48 : 709,309.74 = 284,575.36 : x
  2. Step 2: Convert to fraction form
    514,009.48/709,309.74 = 284,575.36/x
  3. Step 3: Cross multiply
    514,009.48x = 709,309.74 × 284,575.36
  4. Step 4: Simplify right side
    514,009.48x = 201,852,074,612.01
  5. Step 5: Solve for x
    x = 201,852,074,612.01/514,009.48
  6. Step 6: Final answer
    x = 392,701.07

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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.