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Finding the Fourth Proportional to 610,875.53, 840,018.86 and 530,162.93

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Solution

The fourth proportional to 610,875.53, 840,018.86 and 530,162.93 is: 729,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,875.53 : 840,018.86 = 530,162.93 : x
  2. Step 2: Convert to fraction form
    610,875.53/840,018.86 = 530,162.93/x
  3. Step 3: Cross multiply
    610,875.53x = 840,018.86 × 530,162.93
  4. Step 4: Simplify right side
    610,875.53x = 445,346,860,072.86
  5. Step 5: Solve for x
    x = 445,346,860,072.86/610,875.53
  6. Step 6: Final answer
    x = 729,030.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.