Home / 774,845.46-1,069,803.18-484,897.86

Finding the Fourth Proportional to 774,845.46, 1,069,803.18 and 484,897.86

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Solution

The fourth proportional to 774,845.46, 1,069,803.18 and 484,897.86 is: 669,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,845.46 : 1,069,803.18 = 484,897.86 : x
  2. Step 2: Convert to fraction form
    774,845.46/1,069,803.18 = 484,897.86/x
  3. Step 3: Cross multiply
    774,845.46x = 1,069,803.18 × 484,897.86
  4. Step 4: Simplify right side
    774,845.46x = 518,745,272,603.20
  5. Step 5: Solve for x
    x = 518,745,272,603.20/774,845.46
  6. Step 6: Final answer
    x = 669,482.24

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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.