Home / 717,483.60-1,076,225.40-402,555.60

Finding the Fourth Proportional to 717,483.60, 1,076,225.40 and 402,555.60

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Solution

The fourth proportional to 717,483.60, 1,076,225.40 and 402,555.60 is: 603,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,483.60 : 1,076,225.40 = 402,555.60 : x
  2. Step 2: Convert to fraction form
    717,483.60/1,076,225.40 = 402,555.60/x
  3. Step 3: Cross multiply
    717,483.60x = 1,076,225.40 × 402,555.60
  4. Step 4: Simplify right side
    717,483.60x = 433,240,561,632.24
  5. Step 5: Solve for x
    x = 433,240,561,632.24/717,483.60
  6. Step 6: Final answer
    x = 603,833.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.