Home / 977,429.52-1,348,908.66-547,848.45

Finding the Fourth Proportional to 977,429.52, 1,348,908.66 and 547,848.45

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Solution

The fourth proportional to 977,429.52, 1,348,908.66 and 547,848.45 is: 756,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,429.52 : 1,348,908.66 = 547,848.45 : x
  2. Step 2: Convert to fraction form
    977,429.52/1,348,908.66 = 547,848.45/x
  3. Step 3: Cross multiply
    977,429.52x = 1,348,908.66 × 547,848.45
  4. Step 4: Simplify right side
    977,429.52x = 738,997,518,572.58
  5. Step 5: Solve for x
    x = 738,997,518,572.58/977,429.52
  6. Step 6: Final answer
    x = 756,062.21

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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.