Home / 918,681.60-1,376,622.72-469,384.32

Finding the Fourth Proportional to 918,681.60, 1,376,622.72 and 469,384.32

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Solution

The fourth proportional to 918,681.60, 1,376,622.72 and 469,384.32 is: 703,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,681.60 : 1,376,622.72 = 469,384.32 : x
  2. Step 2: Convert to fraction form
    918,681.60/1,376,622.72 = 469,384.32/x
  3. Step 3: Cross multiply
    918,681.60x = 1,376,622.72 × 469,384.32
  4. Step 4: Simplify right side
    918,681.60x = 646,165,119,323.75
  5. Step 5: Solve for x
    x = 646,165,119,323.75/918,681.60
  6. Step 6: Final answer
    x = 703,361.34

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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.