Home / 757,798.92-1,045,308.78-553,600.35

Finding the Fourth Proportional to 757,798.92, 1,045,308.78 and 553,600.35

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Solution

The fourth proportional to 757,798.92, 1,045,308.78 and 553,600.35 is: 763,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,798.92 : 1,045,308.78 = 553,600.35 : x
  2. Step 2: Convert to fraction form
    757,798.92/1,045,308.78 = 553,600.35/x
  3. Step 3: Cross multiply
    757,798.92x = 1,045,308.78 × 553,600.35
  4. Step 4: Simplify right side
    757,798.92x = 578,683,306,466.07
  5. Step 5: Solve for x
    x = 578,683,306,466.07/757,798.92
  6. Step 6: Final answer
    x = 763,637.02

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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.