Home / 772,225.02-1,065,670.86-470,419.02

Finding the Fourth Proportional to 772,225.02, 1,065,670.86 and 470,419.02

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Solution

The fourth proportional to 772,225.02, 1,065,670.86 and 470,419.02 is: 649,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,225.02 : 1,065,670.86 = 470,419.02 : x
  2. Step 2: Convert to fraction form
    772,225.02/1,065,670.86 = 470,419.02/x
  3. Step 3: Cross multiply
    772,225.02x = 1,065,670.86 × 470,419.02
  4. Step 4: Simplify right side
    772,225.02x = 501,311,841,603.76
  5. Step 5: Solve for x
    x = 501,311,841,603.76/772,225.02
  6. Step 6: Final answer
    x = 649,178.45

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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.