Home / 742,106.52-1,024,108.96-402,574.77

Finding the Fourth Proportional to 742,106.52, 1,024,108.96 and 402,574.77

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Solution

The fourth proportional to 742,106.52, 1,024,108.96 and 402,574.77 is: 555,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,106.52 : 1,024,108.96 = 402,574.77 : x
  2. Step 2: Convert to fraction form
    742,106.52/1,024,108.96 = 402,574.77/x
  3. Step 3: Cross multiply
    742,106.52x = 1,024,108.96 × 402,574.77
  4. Step 4: Simplify right side
    742,106.52x = 412,280,423,906.39
  5. Step 5: Solve for x
    x = 412,280,423,906.39/742,106.52
  6. Step 6: Final answer
    x = 555,554.24

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Double scale
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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.