Home / 771,207.60-1,154,737.80-559,700.40

Finding the Fourth Proportional to 771,207.60, 1,154,737.80 and 559,700.40

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Solution

The fourth proportional to 771,207.60, 1,154,737.80 and 559,700.40 is: 838,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,207.60 : 1,154,737.80 = 559,700.40 : x
  2. Step 2: Convert to fraction form
    771,207.60/1,154,737.80 = 559,700.40/x
  3. Step 3: Cross multiply
    771,207.60x = 1,154,737.80 × 559,700.40
  4. Step 4: Simplify right side
    771,207.60x = 646,307,208,555.12
  5. Step 5: Solve for x
    x = 646,307,208,555.12/771,207.60
  6. Step 6: Final answer
    x = 838,045.69

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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.