Home / 710,007.40-1,064,622.30-288,807.40

Finding the Fourth Proportional to 710,007.40, 1,064,622.30 and 288,807.40

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Solution

The fourth proportional to 710,007.40, 1,064,622.30 and 288,807.40 is: 433,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,007.40 : 1,064,622.30 = 288,807.40 : x
  2. Step 2: Convert to fraction form
    710,007.40/1,064,622.30 = 288,807.40/x
  3. Step 3: Cross multiply
    710,007.40x = 1,064,622.30 × 288,807.40
  4. Step 4: Simplify right side
    710,007.40x = 307,470,798,445.02
  5. Step 5: Solve for x
    x = 307,470,798,445.02/710,007.40
  6. Step 6: Final answer
    x = 433,052.95

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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.