Home / 648,037.20-972,055.80-571,054.80

Finding the Fourth Proportional to 648,037.20, 972,055.80 and 571,054.80

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Solution

The fourth proportional to 648,037.20, 972,055.80 and 571,054.80 is: 856,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,037.20 : 972,055.80 = 571,054.80 : x
  2. Step 2: Convert to fraction form
    648,037.20/972,055.80 = 571,054.80/x
  3. Step 3: Cross multiply
    648,037.20x = 972,055.80 × 571,054.80
  4. Step 4: Simplify right side
    648,037.20x = 555,097,130,457.84
  5. Step 5: Solve for x
    x = 555,097,130,457.84/648,037.20
  6. Step 6: Final answer
    x = 856,582.20

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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.