Home / 710,006.64-1,065,709.80-430,070.64

Finding the Fourth Proportional to 710,006.64, 1,065,709.80 and 430,070.64

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Solution

The fourth proportional to 710,006.64, 1,065,709.80 and 430,070.64 is: 645,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,006.64 : 1,065,709.80 = 430,070.64 : x
  2. Step 2: Convert to fraction form
    710,006.64/1,065,709.80 = 430,070.64/x
  3. Step 3: Cross multiply
    710,006.64x = 1,065,709.80 × 430,070.64
  4. Step 4: Simplify right side
    710,006.64x = 458,330,495,740.27
  5. Step 5: Solve for x
    x = 458,330,495,740.27/710,006.64
  6. Step 6: Final answer
    x = 645,529.87

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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.