Home / 700,255.36-1,050,014.40-478,702.72

Finding the Fourth Proportional to 700,255.36, 1,050,014.40 and 478,702.72

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Solution

The fourth proportional to 700,255.36, 1,050,014.40 and 478,702.72 is: 717,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,255.36 : 1,050,014.40 = 478,702.72 : x
  2. Step 2: Convert to fraction form
    700,255.36/1,050,014.40 = 478,702.72/x
  3. Step 3: Cross multiply
    700,255.36x = 1,050,014.40 × 478,702.72
  4. Step 4: Simplify right side
    700,255.36x = 502,644,749,319.17
  5. Step 5: Solve for x
    x = 502,644,749,319.17/700,255.36
  6. Step 6: Final answer
    x = 717,802.07

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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.