Home / 971,346.14-1,340,424.48-535,780.79

Finding the Fourth Proportional to 971,346.14, 1,340,424.48 and 535,780.79

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Solution

The fourth proportional to 971,346.14, 1,340,424.48 and 535,780.79 is: 739,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,346.14 : 1,340,424.48 = 535,780.79 : x
  2. Step 2: Convert to fraction form
    971,346.14/1,340,424.48 = 535,780.79/x
  3. Step 3: Cross multiply
    971,346.14x = 1,340,424.48 × 535,780.79
  4. Step 4: Simplify right side
    971,346.14x = 718,173,686,829.74
  5. Step 5: Solve for x
    x = 718,173,686,829.74/971,346.14
  6. Step 6: Final answer
    x = 739,359.18

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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.