Home / 776,802.64-1,071,984.84-437,271.76

Finding the Fourth Proportional to 776,802.64, 1,071,984.84 and 437,271.76

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Solution

The fourth proportional to 776,802.64, 1,071,984.84 and 437,271.76 is: 603,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,802.64 : 1,071,984.84 = 437,271.76 : x
  2. Step 2: Convert to fraction form
    776,802.64/1,071,984.84 = 437,271.76/x
  3. Step 3: Cross multiply
    776,802.64x = 1,071,984.84 × 437,271.76
  4. Step 4: Simplify right side
    776,802.64x = 468,748,697,680.12
  5. Step 5: Solve for x
    x = 468,748,697,680.12/776,802.64
  6. Step 6: Final answer
    x = 603,433.45

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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.