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Finding the Fourth Proportional to 630,342.91, 940,598.05 and 562,407.95

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Solution

The fourth proportional to 630,342.91, 940,598.05 and 562,407.95 is: 839,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,342.91 : 940,598.05 = 562,407.95 : x
  2. Step 2: Convert to fraction form
    630,342.91/940,598.05 = 562,407.95/x
  3. Step 3: Cross multiply
    630,342.91x = 940,598.05 × 562,407.95
  4. Step 4: Simplify right side
    630,342.91x = 528,999,817,316.98
  5. Step 5: Solve for x
    x = 528,999,817,316.98/630,342.91
  6. Step 6: Final answer
    x = 839,225.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.