Home / 743,813.60-1,026,957.08-571,424.52

Finding the Fourth Proportional to 743,813.60, 1,026,957.08 and 571,424.52

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Solution

The fourth proportional to 743,813.60, 1,026,957.08 and 571,424.52 is: 788,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,813.60 : 1,026,957.08 = 571,424.52 : x
  2. Step 2: Convert to fraction form
    743,813.60/1,026,957.08 = 571,424.52/x
  3. Step 3: Cross multiply
    743,813.60x = 1,026,957.08 × 571,424.52
  4. Step 4: Simplify right side
    743,813.60x = 586,828,456,499.60
  5. Step 5: Solve for x
    x = 586,828,456,499.60/743,813.60
  6. Step 6: Final answer
    x = 788,945.59

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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.