Home / 971,913.28-1,456,597.68-522,108.40

Finding the Fourth Proportional to 971,913.28, 1,456,597.68 and 522,108.40

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Solution

The fourth proportional to 971,913.28, 1,456,597.68 and 522,108.40 is: 782,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,913.28 : 1,456,597.68 = 522,108.40 : x
  2. Step 2: Convert to fraction form
    971,913.28/1,456,597.68 = 522,108.40/x
  3. Step 3: Cross multiply
    971,913.28x = 1,456,597.68 × 522,108.40
  4. Step 4: Simplify right side
    971,913.28x = 760,501,884,148.51
  5. Step 5: Solve for x
    x = 760,501,884,148.51/971,913.28
  6. Step 6: Final answer
    x = 782,479.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.