Home / 934,875.64-1,290,393.06-553,035.16

Finding the Fourth Proportional to 934,875.64, 1,290,393.06 and 553,035.16

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Solution

The fourth proportional to 934,875.64, 1,290,393.06 and 553,035.16 is: 763,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,875.64 : 1,290,393.06 = 553,035.16 : x
  2. Step 2: Convert to fraction form
    934,875.64/1,290,393.06 = 553,035.16/x
  3. Step 3: Cross multiply
    934,875.64x = 1,290,393.06 × 553,035.16
  4. Step 4: Simplify right side
    934,875.64x = 713,632,732,399.99
  5. Step 5: Solve for x
    x = 713,632,732,399.99/934,875.64
  6. Step 6: Final answer
    x = 763,345.09

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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.