Home / 977,800.16-1,349,426.58-548,080.40

Finding the Fourth Proportional to 977,800.16, 1,349,426.58 and 548,080.40

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Solution

The fourth proportional to 977,800.16, 1,349,426.58 and 548,080.40 is: 756,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,800.16 : 1,349,426.58 = 548,080.40 : x
  2. Step 2: Convert to fraction form
    977,800.16/1,349,426.58 = 548,080.40/x
  3. Step 3: Cross multiply
    977,800.16x = 1,349,426.58 × 548,080.40
  4. Step 4: Simplify right side
    977,800.16x = 739,594,259,737.03
  5. Step 5: Solve for x
    x = 739,594,259,737.03/977,800.16
  6. Step 6: Final answer
    x = 756,385.91

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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.